acronyms.comp revision 1.366
1$NetBSD: acronyms.comp,v 1.366 2023/09/18 15:19:33 jschauma Exp $ 23WHS three-way handshake 38VSB 8-state vestigial side band modulation 4AA anti-aliasing 5AAA authentication, authorization, [and] accounting 6AAT average access time 7ABE attribute-based encryption 8ABI application binary interface 9ABNF augmented backus-naur form 10ABR available bit rate 11ABRT automatic bug reporting tool 12AC alternating current 13ACI adjacent channel interferer 14ACID atomicity, consistency, isolation, durability 15ACK Amsterdam compiler kit 16ACK acknowledgement 17ACL access control list 18ACL active current loop 19ACL asynchronous connection less 20ACP auxiliary control {process,program} 21ACPI advanced configuration and power interface 22ACS access control set 23ACU automatic calling unit 24ADB Apple desktop bus 25ADC analog [to] digital converter 26ADD acronym driven development 27ADDDC adaptive double DRAM device correction 28ADO active data objects 29ADP automatic data processing 30ADPCM adaptive differential pulse code modulation 31ADS alternate data stream 32ADSL asymmetric digital subscriber line 33ADT abstract data type 34AEAD authenticated encryption with associated data 35AEDC advanced error detection and correction 36AER advanced error reporting 37AES Advanced Encryption Standard 38AFP Apple Filing Protocol 39AFS Andrew File System 40AGC automatic gain control 41AGP accelerated graphics port 42AI analog input 43AI artificial intelligence 44AL access list 45AL active link 46ALE address latch enable 47ALPN application-layer protocol negotiation 48ALS ambient light sensor 49ALSA advanced Linux sound architecture 50ALU arithmetic and logical unit 51ALUA asymmetric logical unit access 52AM access method 53AM alignment mask 54AM amplitude modulation 55AMD Advanced Micro Devices Inc 56AMDD Agile model-driven development 57AMI alternate mark inversion 58AMP asymmetric multiprocessing 59AMQP advanced message queuing protocol 60AMT active management technology 61AN Arabic number 62ANR application not responding 63ANSI American National Standards Institute 64AO analog output 65AOC add-on card 66AOL Alert-on-LAN 67AOS add or subtract 68AOT ahead of time 69AP access point 70AP application processor 71APFS Apple file system 72API application programming interface 73APEI ACPI platform error interface 74APIC advanced programmable interrupt controller 75APIPA automatic private IP addressing 76APM advanced power management 77APM application performance management 78APU accelerated processing unit 79APT advanced persistent threat 80AQM active queue management 81ARAT always running APIC timer 82ARC adaptive replacement cache 83ARC Advanced RISC Computing 84ARC automatic reference counting 85ARM Advanced RISC Machines 86ARP Address Resolution Protocol 87ARPA Advanced Research Projects Agency 88ARQ automatic repeat request 89ARR address range register 90ARU audio response unit 91AS autonomous system 92ASA Adaptive Security Appliance 93ASAN Address Sanitizer 94ASC advanced smart cache 95ASCII American Standard Code for Information Interchange 96ASD agile software development 97ASE advanced software environment 98ASF alert standard format 99ASIC application-specific integrated circuit 100ASK amplitude shift keying 101ASLR address space layout randomization 102ASN autonomous system number 103ASP active server pages 104ASP auxiliary storage pool 105ASPM active state power management 106ASQ automated software quality 107ASR address space register 108ASR Apple software restore 109AST abstract syntax tree 110AST asynchronous system trap 111AT access time 112AT advanced technology 113ATA advanced technology attachment 114ATAPI advanced technology attachment packet interface 115ATC address translation cache 116ATF ARM trusted firmware 117ATF automated testing framework 118ATM asynchronous transfer mode 119ATX advanced technology extended 120AV anti virus 121AVB audio video bridging 122AVL Adelson-Velsky-Landis 123AVX advanced vector extensions 124AWDL Apple wireless direct link 125BA byte align 126BAL basic assembly language 127BAR base address register 128BBS bulletin board system 129BCC blind carbon copy 130BCD binary coded decimal 131BCH boot console handler 132BCR byte count register 133BCS base configuration space 134BD baud 135BDD binary decision diagram 136BDI bit deinterleave 137BDUF big design up front 138BEDO burst extended data output 139BER basic encoding rules 140BER bit error {rate,ratio} 141BERT boot error record table 142BFD bidirectional forwarding detection 143BFD binary {file,format} descriptor 144BFKL big fscking kernel lock 145BFS breadth-first search 146BFT binary file transfer 147BGA ball grid array 148BGP Border Gateway Protocol 149BGPSEC BGP Security 150BIND Berkeley Internet Name Daemon 151BIOS Basic Input/Output System 152BIOS built-in operating system 153BIST built-in self-test 154BIU bus interface unit 155BKDG BIOS and kernel developer's guide 156BLAS basic linear algebra subprograms 157BLC back light control 158BLE Bluetooth low energy 159BLOB binary large object 160BM bus master 161BMC baseboard management controller 162BMP basic multilingual plane 163BMP bitmap image file 164BMIC bus master interface controller 165BN boundary neutral 166BNF Backus-Naur form 167BO binary output 168BOF beginning of file 169BOM beginning of message 170BOM byte order mark 171BP base pointer 172BP boot processor 173BPB BIOS parameter block 174BPDU bridge protocol data unit 175BPF Berkeley Packet Filter 176BPI bits per inch 177BPM business process modelling 178BPS bits per second 179BPSK binary phase shift keying 180BQP bounded-error quantum polynomial time 181BQS Berkeley quality software 182BRE basic regular expression 183BS backspace 184BS binary sequence 185BSA basic service area 186BSD Berkeley Software Distribution 187BSDP Boot Service Discovery Protocol 188BSF bit scan forward 189BSOD blue screen of death 190BSP binary space partition 191BSP board support package 192BSP bootstrap processor 193BSR bit scan reverse 194BSS basic service set 195BSS block started by symbol 196BSSID basic service set identifier 197BT BitTorrent 198BT Bluetooth 199BT bit test 200BTC bit test [and] complement 201BTM bus transport mechanism 202BTR bit test [and] reset 203BTS bit test [and] set 204BTS bug tracking system 205BW bandwidth 206BWM block-write mode 207BUAG big ugly ASCII graphic 208CA certificate authority 209CAC cryptographic access control 210CACLS change access control lists 211CAD computer-aided design 212CAM computer assisted manufacturing 213CAM conditional access module 214CAM content addressable memory 215CAN controller area network 216CARP Common Address Redundancy Protocol 217CAS column address strobe 218CAS compare and swap 219CAS computer algebra system 220CASE computer aided software engineering 221CAU control access unit 222CAV constant angular velocity 223CBC cipher block chaining 224CBR constant bit rate 225CC carbon copy 226CCC Chaos Computer Club 227CCD charge coupled device 228CCI co-channel interferer 229CCNUMA cache-coherent non-uniform memory access 230CCTL command completion time limit 231CD cache disable 232CD compact disc 233CDDA compact disc digital audio 234CDL compiler description language 235CDMA code division multiple access 236CDN content delivery network 237CDP Cisco Discovery Protocol 238CDRAM cache dynamic random access memory 239CER canonical encoding rules 240CERT computer emergency response team 241CE customer edge 242CF compact flash 243CFB cipher feedback 244CFG context-free grammar 245CFG control-flow graph 246CFI control-flow integrity 247CG control gate 248CGA Color Graphics Adapter 249CGI common gateway interface 250CGN Carrier-Grade NAT 251CHAP Challenge-Handshake Authentication Protocol 252CHFS chip file system 253CHS cylinder/head/sector 254CI continuous integration 255CI {common,component} interface 256CIA confidentiality, integrity, availability 257CIDR Classless Inter-Domain Routing 258CIF common intermediate format 259CIFS Common Internet File System 260CIL common intermediate language 261CIR carrier-to-interference ratio 262CIS contact image sensor 263CISC complex instruction set {computer,computing} 264CJK Chinese, Japanese, [and] Korean 265CLF common log format 266CLI command line interface 267CLI common language infrastructure 268CLR common language runtime 269CLS common language specification 270CLTT closed loop thermal throttling 271CLUT color look-up table 272CLV constant linear velocity 273CM configuration management 274CMA concert multithread architecture 275CMC chassis management controller 276CMC corrected machine check 277CMC certificate management over CMS 278CMS {configuration,content,course} management system 279CMS cryptographic message syntax 280CMI control {management,method} interface 281CMOS complementary metal-oxide-semiconductor 282CMP chip multi-processing 283CMS content management system 284CMYK cyan magenta yellow black 285CN {common,canonical} name 286CNA CVE Numbering Authority 287CNC computer numerical control 288CNR carrier-to-noise ratio 289COA change of authority 290COF current operating frequency 291COFDM coded orthogonal frequency division multiplexing 292COFF common object file format 293COM component object model 294COM computer on module 295COMA cache-only memory architecture 296CORBA common object request broker architecture 297COS class of service 298COW copy-on-write 299CP continuous pilot 300CPA chosen-plaintext attack 301CPB core performance boost 302CPC central processor complex 303CPC cpu performance counters 304CPE common phase error 305CPE common platform enumeration 306CPER common platform error record 307CPG clock pulse generator 308CPI cycles per instruction 309CPL current privilege level 310CPLD complex programmable logic device 311CPP C preprocessor 312CPS characters per second 313CPS continuation-passing style 314CPT command pass through 315CPU central processing unit 316CR carriage return 317CRC cyclic redundancy check 318CRDT conflict-free replicated data type 319CRL carrier recovery loop 320CRQC cryptanalytically relevant quantum computer 321CRLF carriage return line feed 322CSIRT computer security incident response team 323CSPM cloud security posture management 324CSU C start up 325CRT cathode ray tube 326CRTP curiously recurring template pattern 327CRUD create, read, update, and delete 328CS cable select 329CS chip select 330CS code segment 331CS computer science 332CSDL {common,conceptual} schema definition language 333CSI channel state information 334CSI common system interface 335CSMA carrier sense multiple access 336CSMA/CA carrier sense multiple access with collision avoidance 337CSMA/CD carrier sense multiple access with collision detection 338CSP communicating sequential processes 339CSP content security policy 340CSP constrain satisfaction problems 341CSP cryptographic service provider 342CSR control [and] status registers 343CSRG Computer Systems Research Group 344CSS cascading style sheets 345CST common spanning tree 346CSV comma-separated values 347CTF compact c type format 348CTM close to metal 349CTR counter [mode] 350CTS clear to send 351CTS common type system 352CUA common user access 353CUT coordinated universal time 354CV control voltage 355CVE common vulnerabilities and exposures 356CVS Concurrent Versions System 357DA destination address 358DAA distributed application architecture 359DAAP digital audio access protocol 360DAB digital audio broadcasting 361DAC digital [to] analog converter 362DAC discretionary access control 363DAD duplicate address detection 364DAE deterministic authenticated encryption 365DANE DNS-based Authentication of Named Entities 366DAO disk at once 367DAP Directory Access Protocol 368DAT digital audio tape 369DAT dynamic acceleration technology 370DB database 371DBA database administrator 372DBA dynamic bandwidth allocation 373DBB data bus buffer 374DBC design by contract 375DBL dynamic buffer limiting 376DBMS database management system 377DBS database server 378DC data center 379DC direct current 380DCC Direct Client-to-Client 381DCC direct cable connect 382DCD data carrier detect 383DCE data control equipment 384DCE distributed computing environment 385DCIM data center infrastructure management 386DCIM digital camera images 387DCL Digital Command Language 388DCOM distributed component object model 389DCOP Desktop COmmunication Protocol 390DCS data collection systems 391DCT discrete cosine transform 392DCU data cache unit 393DDC display data channel 394DDE dynamic data exchange 395DDI device drivers interface 396DDK device driver kit 397DDL data description language 398DDR double data rate 399DDS direct digital sound 400DDWG Digital Display Working Group 401DE debugging extensions 402DE desktop environment 403DEA data encryption algorithm 404DEC Digital Equipment Corporation 405DEK data encryption key 406DEP data execution prevention 407DER distinguished encoding rules 408DES Data Encryption Standard 409DF don't fragment 410DFA deterministic finite automaton 411DFC data flow control 412DFS depth first search 413DFS distributed file system 414DFSAN Data Flow Sanitizer 415DFT diagnostic function test 416DFT discrete Fourier transform 417DGL data generation language 418DGEMM double precision general matrix multiply 419DH Diffie-Hellman 420DHCP Dynamic Host Configuration Protocol 421DIA dedicated Internet access 422DIB device independent bitmap 423DIFS distributed inter-frame space 424DIMM dual inline memory module 425DIRT design in real time 426DKI driver/kernel interface 427DL diode logic 428DL discrete logarithm 429DL download 430DLCI data link connection identifier 431DLE data link escape 432DLL dynamic link library 433DLNA digital living network alliance 434DLP discrete logarithm problem 435DMA direct memory access 436DMI desktop management interface 437DMS document management system 438DMT discrete multitone modulation 439DMU data management layer 440DNARD Digital network appliance reference design 441DND drag and drop 442DNLC directory name lookup cache 443DNS Domain Name System 444DNSBL Domain Name System Block List 445DNSSEC DNS Security Extensions 446DOE distributed object environment 447DOF data over fibre 448DOM document object model 449DOS denial of service 450DOS disk operating system 451DP DisplayPort 452DPAA data path acceleration architecture 453DPC deferred procedure call 454DPCM differential pulse code modulation 455DPD dead peer detection 456DPDK data plane development kit 457DPI deep packet inspection 458DPI dots per inch 459DPL descriptor privilege level 460DPS Display PostScript 461DPST display power savings technology 462DRAAS disaster recovery as a service 463DRAM dynamic random access memory 464DRBG deterministic random bit generator 465DRI direct rendering infrastructure 466DRM digital rights management 467DRM direct rendering manager 468DRRS display refresh rate switching 469DS debug store 470DS differentiated services 471DS9000 DeathStation 9000 472DS9K DeathStation 9000 473DSA digital signature algorithm 474DSAP destination service access point 475DSB double-sideband modulation 476DSCP differentiated services code point 477DSDT differentiated system descriptor table 478DSF device special file 479DSL dataset and snapshot layer 480DSL digital subscriber line 481DSL domain specific language 482DSLAM digital subscriber line access multiplexer 483DSN delivery status notification 484DSO dynamic shared object 485DSP digital signal processor 486DSSS direct sequence spread spectrum 487DTB device tree blob 488DTC device tree compiler 489DTD document type definition 490DTE data terminal equipment 491DTE dumb terminal emulator 492DTL diode-transistor logic 493DTLS datagram transport layer security 494DTS device tree source 495DTS digital thermal sensor 496DUT device under test 497DVB digital video broadcasting 498DVCS distributed version control system 499DVD digital versatile disc 500DVFS dynamic voltage and frequency scaling 501DVI device independent 502DVI Digital Visual Interface 503DVR digital video recorder 504DWARF Debugging With Attributed Record Formats 505E-XER extended XML encoding rules 506EABI embedded-application binary interface 507EAI Email Address Internationalization 508EAI Enterprise Application Integration 509EAP Extensible Authentication Protocol 510EAPOL EAP over Lan 511EAV entity-attribute-value model 512EAV ethernet audio/video bridging 513EBCDIC Extended Binary Coded Decimal Interchange Code 514EBDA Extended BIOS Data Area 515EBNF extended backus-naur form 516EBR extended boot record 517EC elliptic curve 518ECC elliptic curve cryptography 519ECC error correction code 520ECDH elliptic curve Diffie-Hellman 521ECDL elliptic curve discrete logarithm 522ECDLP elliptic curve discrete logarithm problem 523ECDSA elliptic curve digital signature algorithm 524ECL emitter-coupled logic 525ECN explicit congestion notification 526ECP enhanced capability port 527ECS enhanced chip set 528ECS extended configuration space 529EDAC error detection and correction 530EDAT enhanced dynamic acceleration technology 531EdDSA Edwards curve digital signature algorithm 532EDGE explicit data graph execution 533EDID extended display identification data 534EDO extended data out 535EDS electronical data sheet 536EDSAC electronic delay storage automatic calculator 537EDVAC electronic discrete variable automatic computer 538EEE energy efficient ethernet 539EEE embrace, extend, extinguish 540EEPROM electrically erasable programmable read only memory 541EFI extensible firmware interface 542EFL emitter follower logic 543EFM eight to fourteen modulation 544EFS extent file system 545EGA Enhanced Graphics Adapter 546EGP exterior gateway protocol 547EH extension header 548EIDE enhanced IDE 549EISA extended industry standard architecture 550EINJ error injection table 551ELF executable and linking format 552ELS entry level system 553EMI electro-magnetic interference 554EMP electro-magnetic pulse 555EMR electro-magnetic radiation 556EMACS Editor MACroS 557ENIAC electronic numerical integrator and computer 558EOF end of file 559EOI end of interrupt 560EOIS end of interactive support 561EOL end of life 562EOL end of line 563EOT end of transmission 564EPIC explicitly parallel instruction computing 565EPP enhanced parallel port 566EPRML extended partial response, maximum likelihood 567EPROM erasable programmable read only memory 568EPT extended page tables 569ERC error recovery control 570ERD emergency recovery disk 571ERD entity relationship diagram 572ERE extended regular expression 573ERST error record serialization table 574ESAN Efficiency Sanitizer 575ESB enterprise service bus 576ESDI enhanced small disk interface 577ESDRAM enhanced synchronous dynamic random access memory 578ESI enclosure services interface 579ESS electronic switching system 580ESS extended service set 581ESSID extended service set identifier 582EST enhanced speedstep 583ETL extract, transform, load 584EU execution unit 585EULA end user license agreement 586FAT file allocation table 587FBRAM frame buffer random access memory 588FCIF full common intermediate format 589FCL fiber channel loop 590FCS frame check sequence 591FDC floppy disk controller 592FDD floppy disk drive 593FDDI fiber distributed data interface 594FDE full disk encryption 595FDT flattened device tree 596FEA finite element analysis 597FEC forward error correction 598FET field-effect transistor 599FF finite field 600FF form feed 601FFDH finite-field Diffie-Hellman 602FFH functional fixed hardware 603FFI foreign function interface 604FFM focus follows mouse 605FFS Fast File System 606FFS find first set 607FFT fast Fourier transform 608FG floating gate 609FHRP first hop redundancy protocol 610FHSS frequency hop spread spectrum 611FID frequency identifier 612FIFO first in, first out 613FILO first in, last out 614FIPS Federal Information Processing Standards 615FIR fast infrared 616FLOPS floating [point] operations per second 617FLOSS free/libre/open source software 618FM frequency modulation 619FMR false match rate 620FOSS free/open source software 621FPGA field programmable gate array 622FPM fast page mode 623FPR floating point register 624FPU floating point unit 625FQDN fully qualified domain name 626FRR false rejection rate 627FRU field replaceable unit 628FS file system 629FSB front side bus 630FSCK file system check 631FSF Free Software Foundation 632FSK frequency shift keying 633FSM finite-state machine 634FTA fault tree analysis 635FTL flash translation layer 636FTP File Transfer Protocol 637FTPS File Transfer Protocol Secure 638FTTH fiber to the home 639FUS fast user switching 640FWH firmware hub 641FWS folding white space 642GAL generic array logic 643GARP generic attribute registration protocol 644GAS generic address structure 645GC garbage collector 646GCC GNU Compiler Collection 647GCM Galois counter mode 648GCR group-coded recording 649GDI Graphics Device Interface 650GDT global descriptor table 651GECOS general comprehensive operating supervisor 652GEM graphics environment manager 653GEM graphics execution manager 654GEMM general matrix multiply 655GENA general event notification architecture 656GHC Glasgow Haskell compiler 657GHES generic hardware error source 658GIC generic interrupt controller 659GID group identifier 660GIF graphics interchange format 661GLBP gateway load balancing protocol 662GMCH graphics and memory controller hub 663GNU GNU's Not Unix 664GOP graphics output protocol 665GOT global offset table 666GPE general purpose event 667GPF general protection fault 668GPG GNU Privacy Guard 669GPL [GNU] General Public License 670GPR general purpose register 671GPS generalized processor sharing 672GPT GUID partition table 673GPU graphics processing unit 674GR golden ratio 675GRE generic routing encapsulation 676GRO generic receive offload 677GSI global system interrupt 678GSO generic send offload 679GUI graphical user interface 680GUID globally unique identifier 681GUS Gravis UltraSound 682GVFS git virtual file system 683HA high availability 684HAL hardware abstraction layer 685HAT hashed array tree 686HATEOAS hypermedia as the engine of application state 687HBA host bus adapter 688HCC Home Cable Computer 689HCCA Home Cable Computer Adaptor 690HCF halt and catch fire 691HCI host controller interface 692HCI human-computer interaction 693HCL hardware compatibility list 694HDCP High-bandwidth Digital Content Protection 695HDD hard disk drive 696HDL hardware description language 697HDMI High-Definition Multimedia Interface 698HDTV high-definition television 699HECI host embedded controller interface 700HEST hardware error source table 701HEVC high efficiency video coding 702HF high frequency 703HFM highest frequency mode 704HFS hierarchical file system 705HID human interface device 706HKDF HMAC-based key derivation function 707HKP HTTP Keyserver Protocol 708HLL high-level language 709HMA high memory area 710HMI human-machine interface 711HOOD hierarchical object oriented design 712HOTP HMAC-based one time password 713HP Hewlett-Packard 714HPC high performance computing 715HPD hot plug detection 716HPET high precision event timer 717HSM hardware security module 718HSM hierarchical storage management 719HSRP hot standby router protocol 720HT hyper-threading 721HTC hardware thermal control 722HTCC high temperature co-fired ceramic 723HTML HyperText Markup Language 724HTT hyper-threading technology 725HTTP Hypertext Transfer Protocol 726HTTPS Hypertext Transfer Protocol Secure 727HVM hardware virtual machine 728HVDS High-Voltage Differential Signaling 729HWASAN Hardware-assisted Address Sanitizer 730HZ Hertz 731I2O intelligent input/output 732IA information assurance 733IAAS infrastructure as a service 734IANA Internet Assigned Numbers Authority 735IAB Internet Architecture Board 736IBC iterated block cipher 737IBM International Business Machines 738IBPI international blinking pattern interpretation 739IBS instruction based sampling 740IBSS independent basic service set 741IC integrated circuit 742ICA independent computer architecture 743ICACLS integrity control access control lists 744ICB Internet Citizen's Band 745ICE in-circuit emulator 746ICE internal compiler error 747ICH I/O controller hub 748ICMP Internet Control Message Protocol 749ICT information and communications technology 750ICW initialization command word 751IDA Intel dynamic acceleration 752IDCMP Intuition direct communication message port 753IDCT inverse discrete cosine transform 754IDE integrated development environment 755IDE integrated drive electronics 756IDPS intrusion detection [and] prevention system 757IDRP inter-domain routing protocol 758IDS intrusion detection system 759IDT interrupt descriptor table 760IE Internet Explorer 761IEC International Electrotechnical Commission 762IEEE Institute of Electrical and Electronics Engineers 763IESG Internet Engineering Steering Group 764IETF Internet Engineering Task Force 765IF intermediate frequency 766IFCM isochronous flow control mode 767IFF Interchange File Format 768IFS internal field separator 769IGD Internet gateway device 770IGMP Internet Group Management Protocol 771IGP interior gateway protocol 772IHV independent hardware vendor 773IKE Internet key exchange 774ILM internal loopback mode 775ILOM integrated lights-out management 776ILP instruction level parallelism 777IM instant messaging 778IME input method editor 779IMAP Internet Message Access Protocol 780IMC integrated memory controller 781IMCR interrupt mode configuration register 782IMR interrupt mask register 783IMS information management system 784IMSI international mobile subscriber identity 785INCITS InterNational Committee for Information Technology Standards 786INODE index node 787IO input/output 788IOCTL input/output control 789IOM input/output managers 790IOMMU input/output memory management unit 791IOT Internet of Things 792IP Internet Protocol 793IP intellectual property 794IPC instructions per cycle 795IPC interprocess communication 796IPCF interprocess communication facility 797IPE integrated programming environment 798IPI intelligent peripheral interface 799IPI interprocessor interrupt 800IPL Initial Program Load 801IPL Interrupt Priority Level 802IPMB Intelligent Platform Management Bus 803IPMI Intelligent Platform Management Interface 804IPNG Internet Protocol, Next Generation 805IPS in-plane switching 806IPS intrusion prevention system 807IPSEC Internet Protocol Security 808IRC Internet Relay Chat 809IRDA infrared data association 810IRDP ICMP Router Discovery Protocol 811IR intermediate representation 812IRQ interrupt request 813IRQL interrupt request level 814IRR interrupt request register 815IRTF Internet Research Task Force 816IS information system 817ISA industry standard architecture 818ISA instruction set architecture 819ISE instant secure erase 820ISDN integrated services digital network 821ISI inter-symbol interference 822ISL initial system load 823ISM industrial, scientific, [and] medical 824ISMS information system management system 825ISN initial serial number 826ISO International Standards Organization 827ISOC Internet Society 828ISP Internet service provider 829ISR in-service register 830ISR interrupt service routine 831IST internal spanning tree 832IST interrupt stack table 833ISV independent software vendor 834IT information technology 835ITB Intel Turbo Boost 836ITIL information technology infrastructure library 837ITP in-target probe 838ITSM IT service management 839IV initialization vector 840IVT interrupt vector table 841JBOD just a bunch of disks 842JCL Job Control Language 843JFET junction [gate] field-effect transistor 844JIT just in time 845JPEG Joint Photographic Experts Group 846JRE Java Runtime Environment 847JSON JavaScript Object Notation 848JTAG joint test action group 849KASAN Kernel Address Sanitizer 850KASLR kernel address space layout randomization 851KB keyboard 852KB kilobyte 853KBD keyboard 854KBD kilobaud 855KCS keyboard controller style 856KEM key encapsulation mechanism 857KLOC thousand lines of code 858KMS kernel-mode setting 859KPI kernel programming interface 860KVA kernel virtual address 861KVM kernel virtual machine 862KVM kernel virtual memory 863KVM keyboard, video, [and] mouse 864L2CAP link layer control and adaptation protocol 865LAG link aggregation group 866LAMP Linux Apache MySQL {Perl,PHP,Python} 867LAN local area network 868LAPIC local advanced programmable interrupt controller 869LAR load access rights 870LBA logical block addressing 871LBNF labeled backus-naur form 872LBS location-based service 873LCD liquid crystal display 874LCP link control protocol 875LDA local delivery agent 876LDAP Lightweight Directory Access Protocol 877LDR light-dependent resistor 878LDT local descriptor table 879LE logical extent 880LED light emitting diode 881LELL low energy link layer 882LER label edge router 883LF line feed 884LF low frequency 885LFM lowest frequency mode 886LFN long file names 887LFO low-frequency oscillation 888LFS log-structured file system 889LFU least frequently used 890LHP loop heat pipe 891LIF logical interchange format 892LIFO last in, first out 893LILO LInux LOader 894LILO last in, last out 895LINT local interrupt 896LIR local Internet registry 897LISP LISt Processor 898LISP Locator/ID Separation Protocol 899LKM {Linux,loadable} kernel module 900LKML Linux kernel mailing list 901LL load linked 902LL/SC load linked/store conditional 903LLC logical link control 904LLD low-level design 905LLDD low-level design document 906LLDP link layer discovery protocol 907LLF low level format 908LLMNR link-local multicast name resolution 909LLVM Low Level Virtual Machine 910LM long mode 911LMCE local machine check exception 912LMI local management interface 913LMM link management mode 914LMP link management protocol 915LNO loop nest optimization 916LOC lines of code 917LOM lights-out management 918LPE Linux performance events 919LPC low pin count 920LPS local positioning system 921LRC longitudinal redundancy check 922LRM left-to-right mark 923LRO Large Receive Offload 924LRO left-to-right override 925LRU least recently used 926LS link state 927LSAN Leak Sanitizer 928LSB Linux standards base 929LSB least significant {bit,byte} 930LSI large scale integration 931LSL load segment limit 932LSM log structured merge 933LSN Large Scale NAT 934LSN log sequence number 935LSO large send offload 936LSR label switch router 937LTCC low temperature co-fired ceramic 938LTO linear tape-open 939LTO link time optimization 940LTR left to right 941LTR load task register 942LTR letter(-sized paper) 943LTS long term support 944LUA Lua Uppercase Accident 945LUN logical unit number 946LV logical volume 947LVM logical volume management 948LVT local vector table 949LVDS Low-Voltage Differential Signaling 950LWP light-weight process 951LZSS Lempel Ziv Storer Szymanski 952LZW Lempel Ziv Welch 953MAB MAC authentication bypass 954MAC mandatory access control 955MAC {media,medium} access control 956MAC message authentication {check,code} 957MADT multiple APIC descriptor table 958MAMR microwave-assisted magnetic recording 959MB megabyte 960MBA multi-boot agent 961MBR master boot record 962MBS megabits per second 963MC memory controller 964MCA machine check architecture 965MCA MicroChannel architecture 966MCC multiversion concurrency control 967MCE machine check exception 968MCGA Multi-Color Graphics Array 969MCH memory controller hub 970MCLAG multi-chassis link aggregation group 971MCM multi-chip module 972MCQ memory controlled queue 973MD machine-dependent 974MD MiniDisc 975MD-SAL model-driven service abstraction layer 976MDA mail delivery agent 977MDA Monochrome Display Adapter 978MDC Management Data Clock 979MDI Medium Dependent Interface 980MDI-X Medium Dependent Interface Crossover 981MDIO Management Data Input/Output 982MDMX MIPS Digital Media eXtension 983MDRAM multibank dynamic random access memory 984MESI modified, exclusive, shared, invalid 985MFC merge from current 986MFC Microsoft Foundation Classes 987MFM modified frequency modulation 988MFU most frequently used 989MGCP media gateway control protocol 990MHU message handling unit 991MI machine-independent 992MI machine interface 993MIB management information base 994MIC message integrity {check,code} 995MID mobile Internet device 996MIDI musical instrument digital interface 997MIF management information format 998MII media independent interface 999MIM man in the middle 1000MIMD multiple instruction, multiple data 1001MIME Multipurpose Internet Mail Extensions 1002MIMO multiple input multiple output 1003MIPS million instructions per second 1004MIPS Microprocessor without Interlocked Pipeline Stages 1005MISD multiple instruction, single data 1006MIT Massachusetts Institute of Technology 1007MITM man in the middle 1008ML machine language 1009ML machine learning 1010ML mailing list 1011ML markup language 1012ML maximum likelihood 1013MLAG multi-chassis link aggregation group 1014MLC multi-level cell 1015MLD multicast listener discovery 1016MLHP micro loop heat pipe 1017MLIR multi-level intermediate representation 1018MLO MMC loader 1019MMC multi-media card 1020MMF multi-mode fiber 1021MMIC monolithic microwave integrated circuit 1022MMIO memory mapped input/output 1023MMORPG massive multiplayer online role playing game 1024MMRP multiple MAC registration protocol 1025MMU memory management unit 1026MMX matrix math extension 1027MMX multimedia extension 1028MMX multiple math extension 1029MO magneto-optical 1030MOESI modified, owned, exclusive, shared, invalid 1031MOF maximum operating frequency 1032MOSFET metal-oxide-semiconductor field-effect transistor 1033MOSI modified, owned, shared, invalid 1034MP multi-platform 1035MP multiplayer 1036MP {multiprocessing,multiprocessor} 1037MPEG moving picture experts group 1038MPI message passing interface 1039MPLS Multiprotocol Label Switching 1040MPP massively parallel processor 1041MPS memory pool system 1042MPS multiprocessor specification 1043MQTT Message Queuing Telemetry Transport 1044MR modem ready 1045MRO method resolution order 1046MRP multiple registration protocol 1047MRU most recently used 1048MS Microsoft 1049MSAN Memory Sanitizer 1050MSB most significant {bit,byte} 1051MSC message sequence chart 1052MSE mean square error 1053MSF minutes seconds frames 1054MSI message signaled interrupt 1055MSI modified, shared, invalid 1056MSR {machine state,model-specific} register 1057MSS maximum segment size 1058MSTP Multiple Spanning Tree Protocol 1059MT machine translation 1060MTA mail transfer agent 1061MTBF mean time between failures 1062MTP media transfer protocol 1063MTRR memory type range register 1064MTTF mean time to failure 1065MTU maximum transmission unit 1066MUA mail user agent 1067MUD multi-user domain 1068MVCC multiversion concurrency control 1069MVR multicast VLAN registration 1070MVRP multiple VLAN registration protocol 1071MWE module width encoding 1072MX mail exchange 1073NACK negative acknowledgement 1074NAK negative acknowledgement 1075NAN neighbor awareness networking 1076NAN not a number 1077NAPT Network Address Port Translation 1078NAS network attached storage 1079NAT network address translation 1080NAV network allocation vector 1081NC numerical control 1082NC-SI network controller sideband interface 1083NCO numerically-controlled oscillator 1084NCP Network Control Protocol 1085NCSI network connectivity status indicator 1086NCQ native command queuing 1087ND neighbor discovery 1088NDFA nondeterministic finite automaton 1089NDIS network driver interface specification 1090NE numeric error 1091NEWS Network extensible Window System 1092NFA nondeterministic finite automaton 1093NFC near-field communication 1094NFCI no functional change intended 1095NFS network file system 1096NFV network function virtualization 1097NHACP NABU HCCA Application Communication Protocol 1098NIA next instruction address 1099NIC network information center 1100NIC network interface card 1101NIDS network intrusion detection system 1102NIP network interface protocol 1103NIPS network intrusion prevention system 1104NIS network information service 1105NIST National Institute of Standards and Technology 1106NLS native language support 1107NMI non-maskable interrupt 1108NNTP Network News Transfer Protocol 1109NMR nonce-misuse resistance 1110NOC network operations center 1111NOP no operation 1112NOS network operating system 1113NP nondeterministic polynomial time 1114NRND not recommended for new designs 1115NRZ non-return to zero 1116NSA nation-state adversary 1117NSA no such agency 1118NSA National Security Agency 1119NTM non-deterministic Turing machine 1120NTP Network Time Protocol 1121NUMA non-uniform memory access 1122NURBS non-uniform rational basis spline 1123NVMM NetBSD Virtual Machine Monitor 1124NVMM non-volatile main memory 1125NVRAM non-volatile random access memory 1126NW not write-through 1127NX no execute 1128OAEP optimal asymmetric encryption padding 1129OAM operations, administration, and {management,maintenance} 1130OBO off by one 1131OBOE off by one error 1132OCL object constraint language 1133OCR optical character recognition 1134ODBC Open Database Connectivity 1135ODE offline device environment 1136ODI open data-link interface 1137ODM object data manager 1138ODCM on-demand clock modulation 1139ODMR on-demand mail relay 1140ODT on-die termination 1141OEM original equipment manufacturer 1142OFB output feedback 1143OFDM orthogonal frequency division multiplexing 1144OFET organic field-effect transistor 1145OLAP online analytical processing 1146OLE object linking and embedding 1147OLTP online transaction processing 1148ONCE on-{chip,circuit} emulation 1149ONFI open nand flash interface 1150OO OpenOffice 1151OO object oriented 1152OOB out of band 1153OOE out of order execution 1154OOM out of memory 1155OOO OpenOffice.org 1156OOP object oriented programming 1157OOPS object oriented programming systems 1158OOSE object oriented software engineering 1159OPM operations per minute 1160OPS operations per second 1161OQL Object Query Language 1162ORB object request broker 1163ORM object-relational mapping 1164OS operating system 1165OSD object-based storage device 1166OSD open source definition 1167OSF open software foundation 1168OSI Open Source Initiative 1169OSI open systems interconnection 1170OSPF open shortest path first 1171OSPM OS power management 1172OSS open sound system 1173OSS open source software 1174OSVW operating system visible workarounds 1175OTP one time password 1176OTP open telecom platform 1177OU organizational unit 1178OUI organizationally unique identifier 1179OWASP Open Web Application Security Project 1180OWL Web Ontology Language 1181P2P PCI to PCI 1182P2P peer to peer 1183PA phase accumulator 1184PA physical address 1185PAAS platform as a service 1186PAC phase-amplitude converter 1187PAE physical address extension 1188PAGP port aggregation protocol 1189PAL phase alternating line 1190PAL programmable array logic 1191PAM pluggable authentication modules 1192PAM pulse amplitude modulation 1193PAP password authentication protocol 1194PAT page attribute table 1195PAT port address translation 1196PATA parallel ATA 1197PAX portable archive exchange 1198PBE pending break encoding 1199PBE programming by example 1200PBR partition boot record 1201PBX private branch exchange 1202PC personal computer 1203PC program counter 1204PCB printed circuit board 1205PCB process control block 1206PCB Protocol Control Block 1207PCBC propagating cipher block chaining 1208PCC Portable C Compiler 1209PCD page-level cache disable 1210PCE path computation element 1211PCE performance-monitor counter enable 1212PCEP Path Computation Element Protocol 1213PCH platform controller hub 1214PCI peripheral component interconnect 1215PCM phase change memory 1216PCM pulse code modulation 1217PCMCIA Personal Computer Memory Card International Association 1218PCP Port Control Protocol 1219PD public domain 1220PDA personal digital assistant 1221PDA pushdown automaton 1222PDAG propositional directed acyclic graph 1223PDB power distribution board 1224PDF portable document format 1225PDM pulse-duration modulation 1226PDN pull-down network 1227PDP page {descriptor,directory} page 1228PDS product data sheet 1229PDU protocol data unit 1230PE protection enable 1231PE provider edge 1232PE portable executable 1233PEAP Protected EAP 1234PECI platform environment control interface 1235PEP protocol extension protocol 1236PER packed encoding rules 1237PFS perfect forward secrecy 1238PGAS partitioned global address space 1239PGE page global enable 1240PGO profile guided optimization 1241PGP Pretty Good Privacy 1242PHB PCI host bridge 1243PHP PHP: Hypertext Preprocessor 1244PIC performance instrumentation counters 1245PIC position independent code 1246PIC programmable interrupt controller 1247PICNIC problem in chair, not in computer 1248PID process id 1249PIE position independent executable 1250PIL Priority Interrupt Level 1251PIM personal information manager 1252PIM platform-independent model 1253PIO programmed input/output 1254PIPT physically indexed, physically tagged 1255PIR private information retrieval 1256PIQ prefetch input queue 1257PIT programmable interrupt timer 1258PIV personal identity verification 1259PIX Private Internet eXchange 1260PKCS public-key cryptography standards 1261PKI public key infrastructure 1262PLC programmable logic controller 1263PLD programmable logic device 1264PLL phase locked loop 1265PLRU pseudo LRU 1266PLT procedure linkage table 1267PLTM package level thermal management 1268PM power management 1269PM {phase,pulse} modulation 1270PMC performance monitoring counters 1271PME power management event 1272PMEG page map entry group 1273PMI performance monitoring infrastructure 1274PMI platform management interrupt 1275PMIC power management integrated circuit 1276PMIO port-mapped input/output 1277PMT photo-multiplier tube 1278PMU performance monitoring units 1279PMU power management unit 1280PNG portable network graphics 1281PNP plug and play 1282POE power over ethernet 1283POF probability of failure 1284POP Post Office Protocol 1285POP power on password 1286POR plan of record 1287POSIX Portable Operating System Interface [for Unix] 1288POST power on self test 1289POTS plain old telephone system 1290POWER Performance Optimization With Enhanced RISC 1291POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1292PP pair programming 1293PPB PCI [to] PCI bridge 1294PPC PowerPC 1295PPC Power Performance Computing 1296PPI pixels per inch 1297PPM pages per minute 1298PPP Point-to-Point Protocol 1299PPPOA Point-to-Point Protocol over ATM 1300PPPOE Point-to-Point Protocol over Ethernet 1301PPR processor programming reference 1302PPT powerpoint 1303PPT punched paper tape 1304PPU physics processing unit 1305PQC post-quantum cryptography 1306PRAM Parameter RAM 1307PRBS pseudorandom bit sequence 1308PRG pseudorandom generator 1309PRF pseudorandom function [family] 1310PRML partial response, maximum likelihood 1311PRN pseudorandom {noise,number} 1312PRNG pseudorandom number generator 1313PROM programmable read only memory 1314PRP pseudorandom permutation 1315PRU Programmable Realtime Unit 1316PS PostScript 1317PSD power spectral density 1318PSE page size extensions 1319PSK phase shift keying 1320PSK pre-shared key 1321PSTN public switched telephone network 1322PSW program status word 1323PTE page table entry 1324PTLA pseudo top level aggregator 1325PTP page table page 1326PTV perceived target value 1327PU processing unit 1328PUC personal unblocking code 1329PUN physical unit number 1330PV physical volume 1331PVC permanent virtual circuit 1332PVG physical volume group 1333PVI protected-mode virtual interrupt 1334PVRST Per-VLAN rapid spanning tree 1335PVST Per-VLAN Spanning Tree 1336PWM pulse width modulation 1337PXE preboot execution environment 1338QA quality assurance 1339QAM quadrature amplitude modulation 1340QAM quality assurance management 1341QBE query by example 1342QC quality control 1343QDI quasi delay insensitive 1344QCIF quarter common intermediate format 1345QOI quality of implementation 1346QOI quick order interface 1347QOS quality of service 1348QVL qualified vendor list 1349R/O read only 1350R/W read/write 1351RA receiver address 1352RA remote assistance 1353RA resource affinity 1354RA router advertisement 1355RAD rapid application development 1356RADIUS remote authentication dial-in user service 1357RAID redundant array of {independent,inexpensive} disks 1358RAII resource acquisition is initialization 1359RAM random access memory 1360RAS reliability, availability and serviceability 1361RAS remote access service 1362RAS restartable atomic sequence 1363RAS row address strobe 1364RAT register allocation table 1365RAT remote access trojan 1366RBF radial basis function 1367RBL reputation block list 1368RBL real-time blackhole list 1369RBNF routing backus-naur form 1370RBT red-black tree 1371RC release candidate 1372RC remote control 1373RC run commands 1374RCS Revision Control System 1375RCU read, copy, update 1376RDB Rigid Disk Block 1377RDBMS relational database management system 1378RDF Resource Description Framework 1379RDM relational data model 1380RDMA remote direct memory access 1381RDP remote desktop protocol 1382RDRAM Rambus DRAM 1383RE regular expression 1384REPL read, evaluate, print, loop 1385REST representational state transfer 1386RF radio frequency 1387RFB remote frame buffer 1388RFI radio frequency interference 1389RFO request for ownership 1390RFU reserved for future use 1391RGB red green blue 1392RGBA red green blue alpha 1393RGMII reduced gigabit media independent interface 1394RH read hit 1395RHEL Red Hat Enterprise Linux 1396RHL Red Hat Linux 1397RIB routing information base 1398RIFF Resource Interchange File Format 1399RIP Raster Image Processor 1400RIP Routing Information Protocol 1401RIR regional Internet registry 1402RISC reduced instruction set {computer,computing} 1403RKM ROM Kernel Manual 1404RLE run length encoding 1405RLL run length limited 1406RLO right-to-left override 1407RM read miss 1408RMCP Remote Management Control Protocol 1409RMI remote method invocation 1410RMO Relaxed Memory Ordering 1411RMPM rapid memory power management 1412RMS root mean square 1413RMW read, modify, write 1414RNG random number generator 1415ROM read only memory 1416ROP return-oriented programming 1417RPC remote procedure call 1418RPG Report Program Generator 1419RPKI resource PKI 1420RPL requested privilege level 1421RPM revolutions per minute 1422RPN reverse Polish notation 1423RPVST Rapid Per-VLAN Spanning Tree 1424RR random replacement 1425RR round robin 1426RS relay station 1427RSA Rivest, Shamir, [and] Adleman 1428RSC Receive Segment Coalescing 1429RSIP Realm Specific IP 1430RSN Robust Secure Network 1431RSS really simple syndication 1432RSS Receive Side Scaling 1433RSS residual sum of squares 1434RSTP Rapid Spanning Tree Protocol 1435RT real time 1436RTC real time clock 1437RTC real time computing 1438RTF rich text format 1439RTL register transfer language 1440RTL resistor-transistor logic 1441RTL right to left 1442RTOS real time operating system 1443RTP Real-time Transport Protocol 1444RTS request to send 1445RTT round trip time 1446RTTI run-time type information 1447RUP rational unified process 1448RW Rabin-Williams 1449RWM read-write memory 1450RX {receive,receiver} 1451S/PDIF Sony/Philips Digital Interface Format 1452SA security advisory 1453SA security association 1454SA source address 1455SA structured analysis 1456SAAS software as a service 1457SABRE Semi-automated business research environment 1458SACD super audio compact disc 1459SAD security association database 1460SAF-TE SCSI accessed fault-tolerant enclosure 1461SAGE Semi-automated ground environment 1462SAL {service,system} abstraction layer 1463SAM serial access memory 1464SAM sum addressed memory 1465SAML security assertion markup language 1466SAN storage area network 1467SAP service access point 1468SAPIC streamlined advanced programmable interrupt controller 1469SASD structured analysis, structured design 1470SASI Shugart Associates System Interface 1471SASL simple authentication [and] security layer 1472SATA serial advanced technology attachment 1473SAX simple API for XML 1474SB sound blaster 1475SBSA server base system architecture 1476SBU standard build unit 1477SC store conditional 1478SCA source code analyzer 1479SCADA supervisory control and data acquisition 1480SCC single chip cloud 1481SCC source code control 1482SCCP skinny call control protocol 1483SCCS Source Code Control System 1484SCI scalable coherent interface 1485SCI system control interrupt 1486SCIM smart common input method 1487SCM software configuration management 1488SCM source code management 1489SCM storage-class memory 1490SCO synchronous connection orientated 1491SCP secure copy 1492SCP system control processor 1493SCPI system control and power interface 1494SCSI Small Computer System Interface 1495SCTP Stream Control Transmission Protocol 1496SDDC software defined data center 1497SDEI software delegated exception interface 1498SDI symbol deinterleave 1499SDK software development kit 1500SDL Simple Declarative Language 1501SDL Simple Direct-media Layer 1502SDLC {software,system,systems} development life cycle 1503SDN software defined networking 1504SDP Session Description Protocol 1505SDR software defined radio 1506SDRAM synchronous dynamic random access memory 1507SDS software defined storage 1508SDT syntax-directed translation 1509SEA synchronous external abort 1510SEGV segmentation violation 1511SED self-encrypting drive 1512SED stream editor 1513SEMB serial ATA enclosure management bridge 1514SEO search engine optimization 1515SES SCSI enclosure services 1516SFC sequential function chart 1517SFI simple firmware interface 1518SFI software fault isolation 1519SFTP SSH File Transfer Protocol 1520SFTP Serial File Transfer Protocol 1521SFTP Simple File Transfer Protocol 1522SGI Silicon Graphics, Inc 1523SGI software generated interrupt 1524SGMII serial gigabit media independent interface 1525SGPIO serial general purpose input/output 1526SGRAM synchronous graphics random access memory 1527SHA secure hash algorithm 1528SICP structure and interpretation of computer programs 1529SIDH supersingular isogeny Diffie-Hellman 1530SIEM security information and event management 1531SIF source input format 1532SIFS short inter-frame space 1533SIM subscriber identity module 1534SIMD single instruction, multiple data 1535SIMM single inline memory module 1536SIP Session Initiation Protocol 1537SIR signal-to-interference ratio 1538SIR slow infrared 1539SIRT security incident response team 1540SISD single instruction, single data 1541SIV synthetic intialization vector 1542SLAAC stateless address auto-configuration 1543SLC single-level cell 1544SLDRAM synchronous-link dynamic random access memory 1545SLED single large expensive disk 1546SLI scalable link interface 1547SLI scan-line interleave 1548SLIC system license internal code 1549SLOC source lines of code 1550SLRU segmented LRU 1551SMA smart memory access 1552SMAF system management action field 1553SMAP Simple Mail Access Protocol 1554SMAP supervisor mode access prevention 1555SMART self-monitoring analysis and reporting technology 1556SMB Server Message Block 1557SMB system management bus 1558SMBIOS System Management BIOS 1559SMC system management controller 1560SMD storage module device 1561SMEP supervisor mode execution protection 1562SMF single mode fiber 1563SMI structure of management information 1564SMI system management interrupt 1565SMM system management mode 1566SMP serial management protocol 1567SMP symmetric multiprocessing 1568SMR shingled magnetic recording 1569SMR state machine replication 1570SMT simultaneous multithreading 1571SMTP Simple Mail Transfer Protocol 1572SMU system management unit 1573SNA systems network architecture 1574SNAP Sub-Network Access Protocol 1575SNIA Storage Networking Industry Association 1576SNMP Simple Network Management Protocol 1577SNR signal-to-noise ratio 1578SOC security operations center 1579SOA service oriented architecture 1580SOAP Simple Object Access Protocol 1581SOC system on chip 1582SOF start of frame 1583SOH start of header 1584SOHO small office/home office 1585SOL serial over LAN 1586SOM system on module 1587SP service pack 1588SP stack pointer 1589SPA storage pool allocator 1590SPAN switched port analyzer 1591SPARC scalable processor architecture 1592SPARQL SPARQL Protocol and RDF Query Language 1593SPD security policy database 1594SPD serial presence detect 1595SPDIF Sony/Philips digital interface format 1596SPI serial peripheral interface 1597SPI stateful packet inspection 1598SPIR standard portable intermediate representation 1599SPL secondary program loader 1600SPL spinlock 1601SPL system interrupt priority level 1602SPMD single process, multiple data 1603SPR special purpose register 1604SPT sectors per track 1605SQA software quality assurance 1606SQCIF sub quarter common intermediate format 1607SQL Structured Query Language 1608SRAM static random access memory 1609SRC sample rate conversion 1610SRP SCSI RDMA protocol 1611SRR shaped round robin 1612SRTP Secure Real-time Transport Protocol 1613SS self-snoop 1614SS stack segment 1615SSA static single assignment 1616SSAP source service access point 1617SSB single-sideband modulation 1618SSC spread spectrum clock 1619SSD solid state drive 1620SSE streaming SIMD extensions 1621SSFDC solid state floppy disc card 1622SSH secure shell 1623SSI server side includes 1624SSID service set identifier 1625SSTP secure socket tunneling protocol 1626SSL secure sockets layer 1627SSP stack smashing protection 1628STC software thermal control 1629STD state transition diagram 1630STM software transactional memory 1631STOMP Streaming Text Oriented Messaging Protocol 1632STP Spanning Tree Protocol 1633STP shielded twisted pair 1634STRG spanning tree root guard 1635SUN Stanford University Network 1636SUS Single Unix Specification 1637SUT system under test 1638SVC switched virtual circuit 1639SVG scalable vector graphics 1640SVGA Super Video Graphics Array 1641SVI {switch,switched} virtual interface 1642SVM secure virtual machine 1643SVM support vector machine 1644SVR System V Release 1645SVS Separate Virtual Space 1646SWF Shockwave Flash 1647SWIG simplified wrapper [and] interface generator 1648SYR symbol timing recovery 1649TA test assertion 1650TA transmitter address 1651TACACS terminal access controller access-control system 1652TAI international atomic time 1653TAO track at once 1654TAOCP The Art of Computer Programming 1655TAP Test Anything Protocol 1656TAS test and set 1657TB terabyte 1658TBNF transitional backus-naur form 1659TCB trace capture buffer 1660TCB trusted computing base 1661TCC thermal control circuit 1662TCL tool command language 1663TCP Transmission Control Protocol 1664TCQ tagged command queueing 1665TDC time [to] digital converter 1666TDD test-driven development 1667TDD time division duplex 1668TDM time division multiplexing 1669TDMA time division multiple access 1670TDOA time difference of arrival 1671TDP thermal design {point,power} 1672TDR time-domain reflectometry 1673TECO Text Editor and Corrector 1674TEE Trusted Execution Environment 1675TFT thin film transistor 1676TFTP Trivial File Transfer Protocol 1677TIAS try it and see 1678TIFF tagged image file format 1679TITS try it to see 1680TK temporal key 1681TKIP Temporal Key Integrity Protocol 1682TLA top level aggregator 1683TLB translation lookaside buffer 1684TLD top level domain 1685TLER time-limited error recovery 1686TLI transport layer interface 1687TLS thread local storage 1688TLS transport layer security 1689TM Turing machine 1690TM thermal monitor 1691TMG transmogrifier 1692TMDS transition minimized differential signaling 1693TMO timeout 1694TOD time of day 1695TOE TCP offload engine 1696TOFU trust on first use 1697TOS terms of service 1698TOS trusted operating system 1699TOS type of service 1700TOTP time-based one time password 1701TP transaction processing 1702TPI tracks per inch 1703TPM transactions per minute 1704TPM trusted platform module 1705TPR task priority register 1706TPS transactions per second 1707TPS transmission parameters signaling 1708TR task register 1709TR token ring 1710TRL timing recovery loop 1711TRNG true random number generator 1712TS terminal services 1713TS time series 1714TS time stamp 1715TS transport stream 1716TSAN Thread Sanitizer 1717TSC time stamp counter 1718TSD time stamp disable 1719TSDB time series database 1720TSL test, set, lock 1721TSO time sharing option 1722TSO TCP segmentation offload 1723TSO Total Store Ordering 1724TSP Time-Stamp Protocol 1725TSP Tunnel Setup Protocol 1726TSP time synchronization protocol 1727TSP traveling salesman problem 1728TSS task state segment 1729TSV tab-separated values 1730TTL time to live 1731TTL transistor-transistor logic 1732TTM translation table maps 1733TTY teletype 1734TU translation unit 1735TUI {terminal,text-based,textual} user interface 1736TX {transmit out,transmitter} 1737TXG transaction group 1738TZ time zone 1739UAC user {access,account} control 1740UAF use-after-free 1741UART universal asynchronous receiver/transmitter 1742UAT user acceptance testing 1743UB undefined behavior 1744UBSAN Undefined Behavior Sanitizer 1745UC uncacheable 1746UCS uniform-cost search 1747UCS unified computing system 1748UCS universal coded character set 1749UDI uniform driver interface 1750UDMA ultra DMA 1751UDO ultra density optical 1752UDP User Datagram Protocol 1753UDS Unix Domain Socket 1754UEFI unified extensible firmware interface 1755UFO UDP fragmentation offload 1756UFS Unix File System 1757UGA universal graphics adapter 1758UI unit interval 1759UI user interface 1760UICC universal integrated circuit card 1761UID unique identifier 1762UID user identifier 1763UL upload 1764UMA uniform memory access 1765UMA upper memory area 1766UMB upper memory block 1767UML unified modeling language 1768UMPC ultra-mobile PC 1769UPNP universal plug and play 1770UPS uninterruptible power supply 1771URI uniform resource identifier 1772URL uniform resource locator 1773URN uniform resource name 1774USART universal synchronous/asynchronous receiver/transmitter 1775USB universal serial bus 1776USWC uncacheable speculative write combining 1777UT unit test 1778UTC coordinated universal time 1779UTF unicode transformation formats 1780UTP unshielded twisted pair 1781UTS UNIX time-sharing 1782UUCP Unix-to-Unix Copy Protocol 1783UUID universally unique identifier 1784UUOC useless use of cat 1785UUT unit under test 1786UX user experience 1787VA vertical alignment 1788VA virtual address 1789VA volt-ampere 1790VAX virtual address extension 1791VB Visual Basic 1792VBR volume boot record 1793VCA variable-gain amplifier 1794VCC common collector voltage 1795VCCP virtual chassis control protocol 1796VCF voltage-controlled filter 1797VCM virtual channel memory 1798VCO voltage-controlled oscillator 1799VCP virtual chassis port 1800VCS version control system 1801VDPAU Video Decode and Presentation API for Unix 1802VES virtual execution system 1803VESA Video Electronics Standards Association 1804VFO variable-frequency oscillator 1805VFS virtual file system 1806VG volume group 1807VGA Video Graphics Array 1808VHDCI very high density cable interconnect 1809VID {VLAN,voltage level} identifier 1810VIM Vi IMproved 1811VIPT virtually indexed, physically tagged 1812VIVT virtually indexed, virtually tagged 1813VLAN virtual local area network 1814VLD variable-length decoding 1815VLIW very long instruction word 1816VLSI very large scale integration 1817VLSM variable length subnet mask 1818VM virtual {machine,memory} 1819VME virtual mode extension 1820VMX vector multimedia extensions 1821VMX virtual machine extensions 1822VNC virtual network computing 1823VOD video on demand 1824VPD vital product data 1825VPN virtual private network 1826VPWS virtual private wire service 1827VR virtual reality 1828VRAM video random access memory 1829VRF virtual routing and forwarding 1830VRM voltage regulator module 1831VROC Virtual RAID On CPU 1832VRRP Virtual Router Redundancy Protocol 1833VSTP VLAN Spanning Tree Protocol 1834VTP VLAN Trunking Protocol 1835VXFS Veritas file system 1836VXVM Veritas volume manager 1837W watt 1838W3C World Wide Web Consortium 1839WAFL write anywhere file layout 1840WAMP Web Application Messaging Protocol 1841WAN wide area network 1842WAP Wireless Application Protocol 1843WAP wireless access point 1844WDM Windows Driver Model 1845WDDM Windows Display Driver Model 1846WDT watchdog timer 1847WEP Wired Equivalent Privacy 1848WFI wait for interrupt 1849WFQ weighted fair queuing 1850WH write hit 1851WHEA Windows hardware error architecture 1852WIFI wireless fidelity 1853WLAN wireless local area network 1854WM write miss 1855WMF Windows meta file 1856WMI Windows Management Instrumentation 1857WOL Wake-on-LAN 1858WOM Wake-on-Modem 1859WOR Wake-on-Ring 1860WORM write once read many 1861WP WordPerfect 1862WP word processor 1863WP write protect 1864WPA Wi-Fi Protected Access 1865WPA2 Wi-Fi Protected Access II 1866WPAD web proxy auto-discovery protocol 1867WPS Wi-Fi Protected Setup 1868WRAM window random access memory 1869WS web services 1870WTC write through caching 1871WTD weighted tail drop 1872WWAN wireless wide area network 1873WWW world wide web 1874WYSIAYG what you see is all you get 1875WYSIWYG what you see is what you get 1876XBAR crossbar 1877XDMCP X Display Manager control protocol 1878XER XML encoding rules 1879XGA Extended Graphics Array 1880XHR XMLHttpRequest 1881XIP execute in place 1882XML Extensible Markup Language 1883XNA XNA's not acronymed 1884XNS Xerox network systems 1885XOR exclusive or 1886XP extreme programming 1887XSI X/Open System Interface 1888XSL extensible stylesheet language 1889XSLT extensible stylesheet language transformations 1890XSS cross site scripting 1891XT extended technology 1892XTACACS extended terminal access controller access-control system 1893XTI X/Open transport interface 1894XUL XML user interface language 1895YACC yet another compiler compiler 1896YAML YAML ain't markup language 1897YANG yet another next generation 1898YAWPFAPR you are welcome; please file a problem report 1899YP Yellow Pages 1900YTD year to date 1901ZAP ZFS attribute processor 1902ZBR zone bit recording 1903ZFOD zero-filled on demand 1904ZFS zettabyte file system 1905ZIF zero insertion force 1906ZIFS zero insertion force socket 1907ZIL ZFS intent log 1908ZMA zone multicast address 1909ZOI zero one infinity 1910ZOI zone of influence 1911ZPL ZFS Posix layer 1912ZVOL ZFS Volume 1913