acronyms.comp revision 1.350
1$NetBSD: acronyms.comp,v 1.350 2023/04/01 00:59:10 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 209CACLS change access control lists 210CAD computer-aided design 211CAM computer assisted manufacturing 212CAM conditional access module 213CAM content addressable memory 214CARP Common Address Redundancy Protocol 215CAS column address strobe 216CAS compare and swap 217CAS computer algebra system 218CASE computer aided software engineering 219CAU control access unit 220CAV constant angular velocity 221CBC cipher block chaining 222CBR constant bit rate 223CC carbon copy 224CCC Chaos Computer Club 225CCD charge coupled device 226CCI co-channel interferer 227CCNUMA cache-coherent non-uniform memory access 228CCTL command completion time limit 229CD cache disable 230CD compact disc 231CDDA compact disc digital audio 232CDL compiler description language 233CDMA code division multiple access 234CDN content delivery network 235CDP Cisco Discovery Protocol 236CDRAM cache dynamic random access memory 237CER canonical encoding rules 238CE customer edge 239CF compact flash 240CFB cipher feedback 241CFG context-free grammar 242CFG control-flow graph 243CFI control-flow integrity 244CG control gate 245CGA Color Graphics Adapter 246CGI common gateway interface 247CGN Carrier-Grade NAT 248CHAP Challenge-Handshake Authentication Protocol 249CHFS chip file system 250CHS cylinder/head/sector 251CI continuous integration 252CI {common,component} interface 253CIA confidentiality, integrity, availability 254CIDR Classless Inter-Domain Routing 255CIF common intermediate format 256CIFS Common Internet File System 257CIL common intermediate language 258CIR carrier-to-interference ratio 259CIS contact image sensor 260CISC complex instruction set {computer,computing} 261CJK Chinese, Japanese, [and] Korean 262CLF common log format 263CLI command line interface 264CLI common language infrastructure 265CLR common language runtime 266CLS common language specification 267CLTT closed loop thermal throttling 268CLUT color look-up table 269CLV constant linear velocity 270CM configuration management 271CMA concert multithread architecture 272CMC chassis management controller 273CMC corrected machine check 274CMC certificate management over CMS 275CMS {configuration,content,course} management system 276CMS cryptographic message syntax 277CMI control {management,method} interface 278CMOS complementary metal-oxide-semiconductor 279CMP chip multi-processing 280CMS content management system 281CMYK cyan magenta yellow black 282CN {common,canonical} name 283CNC computer numerical control 284CNR carrier-to-noise ratio 285COA change of authority 286COF current operating frequency 287COFDM coded orthogonal frequency division multiplexing 288COFF common object file format 289COM component object model 290COM computer on module 291COMA cache-only memory architecture 292CORBA common object request broker architecture 293COS class of service 294COW copy-on-write 295CP continuous pilot 296CPA chosen-plaintext attack 297CPB core performance boost 298CPC central processor complex 299CPC cpu performance counters 300CPE common phase error 301CPE common platform enumeration 302CPER common platform error record 303CPG clock pulse generator 304CPI cycles per instruction 305CPL current privilege level 306CPLD complex programmable logic device 307CPP C preprocessor 308CPS characters per second 309CPS continuation-passing style 310CPT command pass through 311CPU central processing unit 312CR carriage return 313CRC cyclic redundancy check 314CRL carrier recovery loop 315CRLF carriage return line feed 316CSPM cloud security posture management 317CSU C start up 318CRT cathode ray tube 319CRTP curiously recurring template pattern 320CRUD create, read, update, and delete 321CS cable select 322CS chip select 323CS code segment 324CS computer science 325CSDL {common,conceptual} schema definition language 326CSI channel state information 327CSI common system interface 328CSMA carrier sense multiple access 329CSMA/CA carrier sense multiple access with collision avoidance 330CSMA/CD carrier sense multiple access with collision detection 331CSP communicating sequential processes 332CSP content security policy 333CSP constrain satisfaction problems 334CSP cryptographic service provider 335CSR control [and] status registers 336CSRG Computer Systems Research Group 337CSS cascading style sheets 338CST common spanning tree 339CSV comma-separated values 340CTF compact c type format 341CTM close to metal 342CTR counter [mode] 343CTS clear to send 344CTS common type system 345CUA common user access 346CUT coordinated universal time 347CV control voltage 348CVE common vulnerabilities and exposures 349CVS Concurrent Versions System 350DA destination address 351DAA distributed application architecture 352DAAP digital audio access protocol 353DAB digital audio broadcasting 354DAC digital [to] analog converter 355DAC discretionary access control 356DAD duplicate address detection 357DANE DNS-based Authentication of Named Entities 358DAO disk at once 359DAP Directory Access Protocol 360DAT digital audio tape 361DAT dynamic acceleration technology 362DB database 363DBA database administrator 364DBA dynamic bandwidth allocation 365DBB data bus buffer 366DBC design by contract 367DBL dynamic buffer limiting 368DBMS database management system 369DBS database server 370DC data center 371DC direct current 372DCC Direct Client-to-Client 373DCC direct cable connect 374DCD data carrier detect 375DCE data control equipment 376DCE distributed computing environment 377DCIM data center infrastructure management 378DCIM digital camera images 379DCL Digital Command Language 380DCOM distributed component object model 381DCOP Desktop COmmunication Protocol 382DCS data collection systems 383DCT discrete cosine transform 384DCU data cache unit 385DDC display data channel 386DDE dynamic data exchange 387DDI device drivers interface 388DDK device driver kit 389DDL data description language 390DDR double data rate 391DDS direct digital sound 392DDWG Digital Display Working Group 393DE debugging extensions 394DE desktop environment 395DEA data encryption algorithm 396DEC Digital Equipment Corporation 397DEK data encryption key 398DEP data execution prevention 399DER distinguished encoding rules 400DES Data Encryption Standard 401DF don't fragment 402DFA deterministic finite automaton 403DFC data flow control 404DFS depth first search 405DFS distributed file system 406DFSAN Data Flow Sanitizer 407DFT diagnostic function test 408DFT discrete Fourier transform 409DGL data generation language 410DGEMM double precision general matrix multiply 411DH Diffie-Hellman 412DHCP Dynamic Host Configuration Protocol 413DIA dedicated Internet access 414DIB device independent bitmap 415DIFS distributed inter-frame space 416DIMM dual inline memory module 417DIRT design in real time 418DKI driver/kernel interface 419DL diode logic 420DL discrete logarithm 421DL download 422DLCI data link connection identifier 423DLE data link escape 424DLL dynamic link library 425DLNA digital living network alliance 426DLP discrete logarithm problem 427DMA direct memory access 428DMI desktop management interface 429DMS document management system 430DMT discrete multitone modulation 431DMU data management layer 432DNARD Digital network appliance reference design 433DND drag and drop 434DNLC directory name lookup cache 435DNS Domain Name System 436DNSSEC DNS Security Extensions 437DOE distributed object environment 438DOF data over fibre 439DOM document object model 440DOS denial of service 441DOS disk operating system 442DP DisplayPort 443DPC deferred procedure call 444DPCM differential pulse code modulation 445DPD dead peer detection 446DPI deep packet inspection 447DPI dots per inch 448DPL descriptor privilege level 449DPS Display PostScript 450DPST display power savings technology 451DRAAS disaster recovery as a service 452DRAM dynamic random access memory 453DRBG deterministic random bit generator 454DRI direct rendering infrastructure 455DRM digital rights management 456DRM direct rendering manager 457DRRS display refresh rate switching 458DS debug store 459DS differentiated services 460DS9000 DeathStation 9000 461DS9K DeathStation 9000 462DSA digital signature algorithm 463DSAP destination service access point 464DSB double-sideband modulation 465DSCP differentiated services code point 466DSDT differentiated system descriptor table 467DSF device special file 468DSL dataset and snapshot layer 469DSL digital subscriber line 470DSL domain specific language 471DSLAM digital subscriber line access multiplexer 472DSN delivery status notification 473DSO dynamic shared object 474DSP digital signal processor 475DSSS direct sequence spread spectrum 476DTB device tree blob 477DTC device tree compiler 478DTD document type definition 479DTE data terminal equipment 480DTE dumb terminal emulator 481DTL diode-transistor logic 482DTLS datagram transport layer security 483DTS device tree source 484DTS digital thermal sensor 485DUT device under test 486DVB digital video broadcasting 487DVCS distributed version control system 488DVD digital versatile disc 489DVFS dynamic voltage and frequency scaling 490DVI device independent 491DVI Digital Visual Interface 492DVR digital video recorder 493DWARF Debugging With Attributed Record Formats 494E-XER extended XML encoding rules 495EABI embedded-application binary interface 496EAI Email Address Internationalization 497EAI Enterprise Application Integration 498EAP Extensible Authentication Protocol 499EAPOL EAP over Lan 500EAV entity-attribute-value model 501EAV ethernet audio/video bridging 502EBCDIC Extended Binary Coded Decimal Interchange Code 503EBDA Extended BIOS Data Area 504EBNF extended backus-naur form 505EBR extended boot record 506EC elliptic curve 507ECC elliptic curve cryptography 508ECC error correction code 509ECDH elliptic curve Diffie-Hellman 510ECDL elliptic curve discrete logarithm 511ECDLP elliptic curve discrete logarithm problem 512ECDSA elliptic curve digital signature algorithm 513ECL emitter-coupled logic 514ECN explicit congestion notification 515ECP enhanced capability port 516ECS enhanced chip set 517ECS extended configuration space 518EDAC error detection and correction 519EDAT enhanced dynamic acceleration technology 520EdDSA Edwards curve digital signature algorithm 521EDGE explicit data graph execution 522EDID extended display identification data 523EDO extended data out 524EDS electronical data sheet 525EDSAC electronic delay storage automatic calculator 526EDVAC electronic discrete variable automatic computer 527EEE energy efficient ethernet 528EEE embrace, extend, extinguish 529EEPROM electrically erasable programmable read only memory 530EFI extensible firmware interface 531EFL emitter follower logic 532EFM eight to fourteen modulation 533EFS extent file system 534EGA Enhanced Graphics Adapter 535EGP exterior gateway protocol 536EH extension header 537EIDE enhanced IDE 538EISA extended industry standard architecture 539EINJ error injection table 540ELF executable and linking format 541ELS entry level system 542EMI electro-magnetic interference 543EMP electro-magnetic pulse 544EMR electro-magnetic radiation 545EMACS Editor MACroS 546ENIAC electronic numerical integrator and computer 547EOF end of file 548EOI end of interrupt 549EOIS end of interactive support 550EOL end of life 551EOL end of line 552EOT end of transmission 553EPIC explicitly parallel instruction computing 554EPP enhanced parallel port 555EPRML extended partial response, maximum likelihood 556EPROM erasable programmable read only memory 557EPT extended page tables 558ERC error recovery control 559ERD emergency recovery disk 560ERD entity relationship diagram 561ERE extended regular expression 562ERST error record serialization table 563ESAN Efficiency Sanitizer 564ESB enterprise service bus 565ESDI enhanced small disk interface 566ESDRAM enhanced synchronous dynamic random access memory 567ESI enclosure services interface 568ESS electronic switching system 569ESS extended service set 570ESSID extended service set identifier 571EST enhanced speedstep 572ETL extract, transform, load 573EU execution unit 574EULA end user license agreement 575FAT file allocation table 576FBRAM frame buffer random access memory 577FCIF full common intermediate format 578FCL fiber channel loop 579FCS frame check sequence 580FDC floppy disk controller 581FDD floppy disk drive 582FDDI fiber distributed data interface 583FDE full disk encryption 584FDT flattened device tree 585FEA finite element analysis 586FEC forward error correction 587FET field-effect transistor 588FF finite field 589FF form feed 590FFDH finite-field Diffie-Hellman 591FFH functional fixed hardware 592FFI foreign function interface 593FFM focus follows mouse 594FFS Fast File System 595FFS find first set 596FFT fast Fourier transform 597FG floating gate 598FHRP first hop redundancy protocol 599FHSS frequency hop spread spectrum 600FID frequency identifier 601FIFO first in, first out 602FILO first in, last out 603FIPS Federal Information Processing Standards 604FIR fast infrared 605FLOPS floating [point] operations per second 606FLOSS free/libre/open source software 607FM frequency modulation 608FMR false match rate 609FOSS free/open source software 610FPGA field programmable gate array 611FPM fast page mode 612FPR floating point register 613FPU floating point unit 614FQDN fully qualified domain name 615FRR false rejection rate 616FRU field replaceable unit 617FS file system 618FSB front side bus 619FSCK file system check 620FSF Free Software Foundation 621FSK frequency shift keying 622FSM finite-state machine 623FTA fault tree analysis 624FTL flash translation layer 625FTP File Transfer Protocol 626FTPS File Transfer Protocol Secure 627FTTH fiber to the home 628FUS fast user switching 629FWH firmware hub 630FWS folding white space 631GAL generic array logic 632GARP generic attribute registration protocol 633GAS generic address structure 634GC garbage collector 635GCC GNU Compiler Collection 636GCM Galois counter mode 637GCR group-coded recording 638GDI Graphics Device Interface 639GDT global descriptor table 640GECOS general comprehensive operating supervisor 641GEM graphics environment manager 642GEM graphics execution manager 643GEMM general matrix multiply 644GENA general event notification architecture 645GHC Glasgow Haskell compiler 646GHES generic hardware error source 647GIC generic interrupt controller 648GID group identifier 649GIF graphics interchange format 650GLBP gateway load balancing protocol 651GMCH graphics and memory controller hub 652GNU GNU's Not Unix 653GOP graphics output protocol 654GOT global offset table 655GPE general purpose event 656GPF general protection fault 657GPG GNU Privacy Guard 658GPL [GNU] General Public License 659GPR general purpose register 660GPS generalized processor sharing 661GPT GUID partition table 662GPU graphics processing unit 663GR golden ratio 664GRE generic routing encapsulation 665GRO generic receive offload 666GSI global system interrupt 667GSO generic send offload 668GUI graphical user interface 669GUID globally unique identifier 670GUS Gravis UltraSound 671GVFS git virtual file system 672HA high availability 673HAL hardware abstraction layer 674HAT hashed array tree 675HATEOAS hypermedia as the engine of application state 676HBA host bus adapter 677HCC Home Cable Computer 678HCCA Home Cable Computer Adaptor 679HCF halt and catch fire 680HCI host controller interface 681HCI human-computer interaction 682HCL hardware compatibility list 683HDCP High-bandwidth Digital Content Protection 684HDD hard disk drive 685HDL hardware description language 686HDMI High-Definition Multimedia Interface 687HDTV high-definition television 688HECI host embedded controller interface 689HEST hardware error source table 690HEVC high efficiency video coding 691HF high frequency 692HFM highest frequency mode 693HFS hierarchical file system 694HID human interface device 695HKDF HMAC-based key derivation function 696HKP HTTP Keyserver Protocol 697HLL high-level language 698HMA high memory area 699HMI human-machine interface 700HOOD hierarchical object oriented design 701HOTP HMAC-based one time password 702HP Hewlett-Packard 703HPC high performance computing 704HPD hot plug detection 705HPET high precision event timer 706HSM hardware security module 707HSM hierarchical storage management 708HSRP hot standby router protocol 709HT hyper-threading 710HTC hardware thermal control 711HTCC high temperature co-fired ceramic 712HTML HyperText Markup Language 713HTT hyper-threading technology 714HTTP Hypertext Transfer Protocol 715HTTPS Hypertext Transfer Protocol Secure 716HVM hardware virtual machine 717HVDS High-Voltage Differential Signaling 718HWASAN Hardware-assisted Address Sanitizer 719HZ Hertz 720I2O intelligent input/output 721IA information assurance 722IAAS infrastructure as a service 723IANA Internet Assigned Numbers Authority 724IBC iterated block cipher 725IBM International Business Machines 726IBPI international blinking pattern interpretation 727IBS instruction based sampling 728IBSS independent basic service set 729IC integrated circuit 730ICA independent computer architecture 731ICACLS integrity control access control lists 732ICB Internet Citizen's Band 733ICE in-circuit emulator 734ICE internal compiler error 735ICH I/O controller hub 736ICMP Internet Control Message Protocol 737ICT information and communications technology 738ICW initialization command word 739IDA Intel dynamic acceleration 740IDCMP Intuition direct communication message port 741IDCT inverse discrete cosine transform 742IDE integrated development environment 743IDE integrated drive electronics 744IDPS intrusion detection [and] prevention system 745IDRP inter-domain routing protocol 746IDS intrusion detection system 747IDT interrupt descriptor table 748IE Internet Explorer 749IEC International Electrotechnical Commission 750IEEE Institute of Electrical and Electronics Engineers 751IESG Internet Engineering Steering Group 752IETF Internet Engineering Task Force 753IF intermediate frequency 754IFCM isochronous flow control mode 755IFF Interchange File Format 756IFS internal field separator 757IGD Internet gateway device 758IGMP Internet Group Management Protocol 759IGP interior gateway protocol 760IHV independent hardware vendor 761IKE Internet key exchange 762ILM internal loopback mode 763ILOM integrated lights-out management 764ILP instruction level parallelism 765IM instant messaging 766IME input method editor 767IMAP Internet Message Access Protocol 768IMC integrated memory controller 769IMCR interrupt mode configuration register 770IMR interrupt mask register 771IMS information management system 772IMSI international mobile subscriber identity 773INCITS InterNational Committee for Information Technology Standards 774INODE index node 775IO input/output 776IOCTL input/output control 777IOM input/output managers 778IOMMU input/output memory management unit 779IOT Internet of Things 780IP Internet Protocol 781IP intellectual property 782IPC instructions per cycle 783IPC interprocess communication 784IPCF interprocess communication facility 785IPE integrated programming environment 786IPI intelligent peripheral interface 787IPI interprocessor interrupt 788IPL Initial Program Load 789IPL Interrupt Priority Level 790IPMB Intelligent Platform Management Bus 791IPMI Intelligent Platform Management Interface 792IPNG Internet Protocol, Next Generation 793IPS in-plane switching 794IPS intrusion prevention system 795IPSEC Internet Protocol Security 796IRC Internet Relay Chat 797IRDA infrared data association 798IRDP ICMP Router Discovery Protocol 799IR intermediate representation 800IRQ interrupt request 801IRQL interrupt request level 802IRR interrupt request register 803IRTF Internet Research Task Force 804IS information system 805ISA industry standard architecture 806ISA instruction set architecture 807ISE instant secure erase 808ISDN integrated services digital network 809ISI inter-symbol interference 810ISL initial system load 811ISM industrial, scientific, [and] medical 812ISMS information system management system 813ISN initial serial number 814ISO International Standards Organization 815ISOC Internet Society 816ISP Internet service provider 817ISR in-service register 818ISR interrupt service routine 819IST internal spanning tree 820IST interrupt stack table 821ISV independent software vendor 822IT information technology 823ITB Intel Turbo Boost 824ITIL information technology infrastructure library 825ITP in-target probe 826ITSM IT service management 827IV initialization vector 828IVT interrupt vector table 829JBOD just a bunch of disks 830JCL Job Control Language 831JFET junction [gate] field-effect transistor 832JIT just in time 833JPEG Joint Photographic Experts Group 834JRE Java Runtime Environment 835JSON JavaScript Object Notation 836JTAG joint test action group 837KASAN Kernel Address Sanitizer 838KASLR kernel address space layout randomization 839KB keyboard 840KB kilobyte 841KBD keyboard 842KBD kilobaud 843KCS keyboard controller style 844KEM key encapsulation mechanism 845KLOC thousand lines of code 846KMS kernel-mode setting 847KPI kernel programming interface 848KVA kernel virtual address 849KVM kernel virtual machine 850KVM kernel virtual memory 851KVM keyboard, video, [and] mouse 852L2CAP link layer control and adaptation protocol 853LAG link aggregation group 854LAMP Linux Apache MySQL {Perl,PHP,Python} 855LAN local area network 856LAPIC local advanced programmable interrupt controller 857LAR load access rights 858LBA logical block addressing 859LBNF labeled backus-naur form 860LBS location-based service 861LCD liquid crystal display 862LCP link control protocol 863LDA local delivery agent 864LDAP Lightweight Directory Access Protocol 865LDR light-dependent resistor 866LDT local descriptor table 867LE logical extent 868LED light emitting diode 869LELL low energy link layer 870LER label edge router 871LF line feed 872LF low frequency 873LFM lowest frequency mode 874LFN long file names 875LFO low-frequency oscillation 876LFS log-structured file system 877LFU least frequently used 878LHP loop heat pipe 879LIF logical interchange format 880LIFO last in, first out 881LILO LInux LOader 882LILO last in, last out 883LINT local interrupt 884LIR local Internet registry 885LISP LISt Processor 886LISP Locator/ID Separation Protocol 887LKM {Linux,loadable} kernel module 888LKML Linux kernel mailing list 889LL load linked 890LL/SC load linked/store conditional 891LLC logical link control 892LLD low-level design 893LLDD low-level design document 894LLDP link layer discovery protocol 895LLF low level format 896LLMNR link-local multicast name resolution 897LLVM Low Level Virtual Machine 898LM long mode 899LMCE local machine check exception 900LMI local management interface 901LMM link management mode 902LMP link management protocol 903LNO loop nest optimization 904LOC lines of code 905LOM lights-out management 906LPE Linux performance events 907LPC low pin count 908LPS local positioning system 909LRC longitudinal redundancy check 910LRM left-to-right mark 911LRO left-to-right override 912LRU least recently used 913LS link state 914LSAN Leak Sanitizer 915LSB Linux standards base 916LSB least significant {bit,byte} 917LSI large scale integration 918LSL load segment limit 919LSM log structured merge 920LSN Large Scale NAT 921LSN log sequence number 922LSO large send offload 923LSR label switch router 924LTCC low temperature co-fired ceramic 925LTO linear tape-open 926LTO link time optimization 927LTR left to right 928LTR load task register 929LTR letter(-sized paper) 930LTS long term support 931LUA Lua Uppercase Accident 932LUN logical unit number 933LV logical volume 934LVM logical volume management 935LVT local vector table 936LVDS Low-Voltage Differential Signaling 937LWP light-weight process 938LZSS Lempel Ziv Storer Szymanski 939LZW Lempel Ziv Welch 940MAB MAC authentication bypass 941MAC mandatory access control 942MAC {media,medium} access control 943MAC message authentication {check,code} 944MADT multiple APIC descriptor table 945MAMR microwave-assisted magnetic recording 946MB megabyte 947MBA multi-boot agent 948MBR master boot record 949MBS megabits per second 950MC memory controller 951MCA machine check architecture 952MCA MicroChannel architecture 953MCC multiversion concurrency control 954MCE machine check exception 955MCGA Multi-Color Graphics Array 956MCH memory controller hub 957MCLAG multi-chassis link aggregation group 958MCM multi-chip module 959MCQ memory controlled queue 960MD machine-dependent 961MD MiniDisc 962MD-SAL model-driven service abstraction layer 963MDA mail delivery agent 964MDA Monochrome Display Adapter 965MDC Management Data Clock 966MDI Medium Dependent Interface 967MDI-X Medium Dependent Interface Crossover 968MDIO Management Data Input/Output 969MDMX MIPS Digital Media eXtension 970MDRAM multibank dynamic random access memory 971MESI modified, exclusive, shared, invalid 972MFC merge from current 973MFC Microsoft Foundation Classes 974MFM modified frequency modulation 975MFU most frequently used 976MGCP media gateway control protocol 977MHU message handling unit 978MI machine-independent 979MI machine interface 980MIB management information base 981MIC message integrity {check,code} 982MID mobile Internet device 983MIDI musical instrument digital interface 984MIF management information format 985MII media independent interface 986MIM man in the middle 987MIMD multiple instruction, multiple data 988MIME Multipurpose Internet Mail Extensions 989MIMO multiple input multiple output 990MIPS million instructions per second 991MIPS Microprocessor without Interlocked Pipeline Stages 992MISD multiple instruction, single data 993MIT Massachusetts Institute of Technology 994MITM man in the middle 995ML machine language 996ML machine learning 997ML mailing list 998ML markup language 999ML maximum likelihood 1000MLAG multi-chassis link aggregation group 1001MLC multi-level cell 1002MLD multicast listener discovery 1003MLHP micro loop heat pipe 1004MLIR multi-level intermediate representation 1005MMF multi-mode fiber 1006MMIC monolithic microwave integrated circuit 1007MMIO memory mapped input/output 1008MMORPG massive multiplayer online role playing game 1009MMRP multiple MAC registration protocol 1010MMU memory management unit 1011MMX matrix math extension 1012MMX multimedia extension 1013MMX multiple math extension 1014MO magneto-optical 1015MOESI modified, owned, exclusive, shared, invalid 1016MOF maximum operating frequency 1017MOSFET metal-oxide-semiconductor field-effect transistor 1018MOSI modified, owned, shared, invalid 1019MP multi-platform 1020MP multiplayer 1021MP {multiprocessing,multiprocessor} 1022MPEG moving picture experts group 1023MPI message passing interface 1024MPLS Multiprotocol Label Switching 1025MPP massively parallel processor 1026MPS memory pool system 1027MPS multiprocessor specification 1028MQTT Message Queuing Telemetry Transport 1029MR modem ready 1030MRO method resolution order 1031MRP multiple registration protocol 1032MRU most recently used 1033MS Microsoft 1034MSAN Memory Sanitizer 1035MSB most significant {bit,byte} 1036MSC message sequence chart 1037MSE mean square error 1038MSF minutes seconds frames 1039MSI message signaled interrupt 1040MSI modified, shared, invalid 1041MSR {machine state,model-specific} register 1042MSS maximum segment size 1043MSTP Multiple Spanning Tree Protocol 1044MT machine translation 1045MTA mail transfer agent 1046MTBF mean time between failures 1047MTP media transfer protocol 1048MTRR memory type range register 1049MTTF mean time to failure 1050MTU maximum transmission unit 1051MUA mail user agent 1052MUD multi-user domain 1053MVCC multiversion concurrency control 1054MVR multicast VLAN registration 1055MVRP multiple VLAN registration protocol 1056MWE module width encoding 1057MX mail exchange 1058NACK negative acknowledgement 1059NAK negative acknowledgement 1060NAN neighbor awareness networking 1061NAN not a number 1062NAPT Network Address Port Translation 1063NAS network attached storage 1064NAT network address translation 1065NAV network allocation vector 1066NC numerical control 1067NC-SI network controller sideband interface 1068NCO numerically-controlled oscillator 1069NCP Network Control Protocol 1070NCSI network connectivity status indicator 1071NCQ native command queuing 1072ND neighbor discovery 1073NDFA nondeterministic finite automaton 1074NDIS network driver interface specification 1075NE numeric error 1076NEWS Network extensible Window System 1077NFA nondeterministic finite automaton 1078NFC near-field communication 1079NFCI no functional change intended 1080NFS network file system 1081NFV network function virtualization 1082NHACP NABU HCCA Application Communication Protocol 1083NIA next instruction address 1084NIC network information center 1085NIC network interface card 1086NIDS network intrusion detection system 1087NIP network interface protocol 1088NIPS network intrusion prevention system 1089NIS network information service 1090NIST National Institute of Standards and Technology 1091NLS native language support 1092NMI non-maskable interrupt 1093NNTP Network News Transfer Protocol 1094NMR nonce-misuse resistance 1095NOC network operations center 1096NOP no operation 1097NOS network operating system 1098NP nondeterministic polynomial time 1099NRND not recommended for new designs 1100NRZ non-return to zero 1101NSA nation-state adversary 1102NSA no such agency 1103NSA National Security Agency 1104NTM non-deterministic Turing machine 1105NTP Network Time Protocol 1106NUMA non-uniform memory access 1107NURBS non-uniform rational basis spline 1108NVMM NetBSD Virtual Machine Monitor 1109NVMM non-volatile main memory 1110NVRAM non-volatile random access memory 1111NW not write-through 1112NX no execute 1113OAEP optimal asymmetric encryption padding 1114OAM operations, administration, and {management,maintenance} 1115OBO off by one 1116OBOE off by one error 1117OCL object constraint language 1118OCR optical character recognition 1119ODE offline device environment 1120ODI open data-link interface 1121ODM object data manager 1122ODCM on-demand clock modulation 1123ODMR on-demand mail relay 1124ODT on-die termination 1125OEM original equipment manufacturer 1126OFB output feedback 1127OFDM orthogonal frequency division multiplexing 1128OFET organic field-effect transistor 1129OLAP online analytical processing 1130OLE object linking and embedding 1131OLTP online transaction processing 1132ONFI open nand flash interface 1133OO OpenOffice 1134OO object oriented 1135OOB out of band 1136OOE out of order execution 1137OOM out of memory 1138OOO OpenOffice.org 1139OOP object oriented programming 1140OOPS object oriented programming systems 1141OOSE object oriented software engineering 1142OPM operations per minute 1143OPS operations per second 1144OQL Object Query Language 1145ORB object request broker 1146ORM object-relational mapping 1147OS operating system 1148OSD object-based storage device 1149OSD open source definition 1150OSF open software foundation 1151OSI Open Source Initiative 1152OSI open systems interconnection 1153OSPF open shortest path first 1154OSPM OS power management 1155OSS open sound system 1156OSS open source software 1157OSVW operating system visible workarounds 1158OTP one time password 1159OTP open telecom platform 1160OU organizational unit 1161OUI organizationally unique identifier 1162OWASP Open Web Application Security Project 1163OWL Web Ontology Language 1164P2P PCI to PCI 1165P2P peer to peer 1166PA phase accumulator 1167PA physical address 1168PAAS platform as a service 1169PAC phase-amplitude converter 1170PAE physical address extension 1171PAGP port aggregation protocol 1172PAL phase alternating line 1173PAL programmable array logic 1174PAM pluggable authentication modules 1175PAM pulse amplitude modulation 1176PAP password authentication protocol 1177PAT page attribute table 1178PAT port address translation 1179PATA parallel ATA 1180PAX portable archive exchange 1181PBE pending break encoding 1182PBE programming by example 1183PBR partition boot record 1184PBX private branch exchange 1185PC personal computer 1186PC program counter 1187PCB printed circuit board 1188PCB process control block 1189PCB Protocol Control Block 1190PCBC propagating cipher block chaining 1191PCC Portable C Compiler 1192PCD page-level cache disable 1193PCE path computation element 1194PCE performance-monitor counter enable 1195PCEP Path Computation Element Protocol 1196PCH platform controller hub 1197PCI peripheral component interconnect 1198PCM phase change memory 1199PCM pulse code modulation 1200PCMCIA Personal Computer Memory Card International Association 1201PCP Port Control Protocol 1202PD public domain 1203PDA personal digital assistant 1204PDA pushdown automaton 1205PDAG propositional directed acyclic graph 1206PDB power distribution board 1207PDF portable document format 1208PDM pulse-duration modulation 1209PDN pull-down network 1210PDP page {descriptor,directory} page 1211PDS product data sheet 1212PDU protocol data unit 1213PE protection enable 1214PE provider edge 1215PE portable executable 1216PEAP Protected EAP 1217PECI platform environment control interface 1218PEP protocol extension protocol 1219PER packed encoding rules 1220PFS perfect forward secrecy 1221PGAS partitioned global address space 1222PGE page global enable 1223PGO profile guided optimization 1224PGP Pretty Good Privacy 1225PHB PCI host bridge 1226PHP PHP: Hypertext Preprocessor 1227PIC performance instrumentation counters 1228PIC position independent code 1229PIC programmable interrupt controller 1230PICNIC problem in chair, not in computer 1231PID process id 1232PIE position independent executable 1233PIL Priority Interrupt Level 1234PIM personal information manager 1235PIM platform-independent model 1236PIO programmed input/output 1237PIPT physically indexed, physically tagged 1238PIR private information retrieval 1239PIQ prefetch input queue 1240PIT programmable interrupt timer 1241PIV personal identity verification 1242PIX Private Internet eXchange 1243PKCS public-key cryptography standards 1244PKI public key infrastructure 1245PLC programmable logic controller 1246PLD programmable logic device 1247PLL phase locked loop 1248PLRU pseudo LRU 1249PLT procedure linkage table 1250PLTM package level thermal management 1251PM power management 1252PM {phase,pulse} modulation 1253PMC performance monitoring counters 1254PME power management event 1255PMEG page map entry group 1256PMI performance monitoring infrastructure 1257PMI platform management interrupt 1258PMIC power management integrated circuit 1259PMIO port-mapped input/output 1260PMT photo-multiplier tube 1261PMU performance monitoring units 1262PMU power management unit 1263PNG portable network graphics 1264PNP plug and play 1265POE power over ethernet 1266POF probability of failure 1267POP Post Office Protocol 1268POP power on password 1269POR plan of record 1270POSIX Portable Operating System Interface [for Unix] 1271POST power on self test 1272POTS plain old telephone system 1273POWER Performance Optimization With Enhanced RISC 1274POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1275PP pair programming 1276PPB PCI [to] PCI bridge 1277PPC PowerPC 1278PPC Power Performance Computing 1279PPI pixels per inch 1280PPM pages per minute 1281PPP Point-to-Point Protocol 1282PPPOA Point-to-Point Protocol over ATM 1283PPPOE Point-to-Point Protocol over Ethernet 1284PPR processor programming reference 1285PPT powerpoint 1286PPT punched paper tape 1287PPU physics processing unit 1288PQC post-quantum cryptography 1289PRAM Parameter RAM 1290PRBS pseudorandom bit sequence 1291PRG pseudorandom generator 1292PRF pseudorandom function [family] 1293PRML partial response, maximum likelihood 1294PRN pseudorandom {noise,number} 1295PRNG pseudorandom number generator 1296PROM programmable read only memory 1297PRP pseudorandom permutation 1298PRU Programmable Realtime Unit 1299PS PostScript 1300PSD power spectral density 1301PSE page size extensions 1302PSK phase shift keying 1303PSK pre-shared key 1304PSTN public switched telephone network 1305PSW program status word 1306PTE page table entry 1307PTLA pseudo top level aggregator 1308PTP page table page 1309PTV perceived target value 1310PU processing unit 1311PUC personal unblocking code 1312PUN physical unit number 1313PV physical volume 1314PVC permanent virtual circuit 1315PVG physical volume group 1316PVI protected-mode virtual interrupt 1317PVRST Per-VLAN rapid spanning tree 1318PVST Per-VLAN Spanning Tree 1319PWM pulse width modulation 1320PXE preboot execution environment 1321QA quality assurance 1322QAM quadrature amplitude modulation 1323QAM quality assurance management 1324QBE query by example 1325QC quality control 1326QDI quasi delay insensitive 1327QCIF quarter common intermediate format 1328QOI quality of implementation 1329QOI quick order interface 1330QOS quality of service 1331QVL qualified vendor list 1332R/O read only 1333R/W read/write 1334RA receiver address 1335RA remote assistance 1336RA resource affinity 1337RA router advertisement 1338RAD rapid application development 1339RADIUS remote authentication dial-in user service 1340RAID redundant array of {independent,inexpensive} disks 1341RAII resource acquisition is initialization 1342RAM random access memory 1343RAS reliability, availability and serviceability 1344RAS remote access service 1345RAS restartable atomic sequence 1346RAS row address strobe 1347RBF radial basis function 1348RBNF routing backus-naur form 1349RBT red-black tree 1350RC release candidate 1351RC remote control 1352RC run commands 1353RCS Revision Control System 1354RCU read, copy, update 1355RDB Rigid Disk Block 1356RDBMS relational database management system 1357RDF Resource Description Framework 1358RDM relational data model 1359RDMA remote direct memory access 1360RDP remote desktop protocol 1361RDRAM Rambus DRAM 1362RE regular expression 1363REPL read, evaluate, print, loop 1364REST representational state transfer 1365RF radio frequency 1366RFB remote frame buffer 1367RFI radio frequency interference 1368RFO request for ownership 1369RFU reserved for future use 1370RGB red green blue 1371RGBA red green blue alpha 1372RGMII reduced gigabit media independent interface 1373RH read hit 1374RHEL Red Hat Enterprise Linux 1375RHL Red Hat Linux 1376RIB routing information base 1377RIFF Resource Interchange File Format 1378RIP Raster Image Processor 1379RIP Routing Information Protocol 1380RIR regional Internet registry 1381RISC reduced instruction set {computer,computing} 1382RKM ROM Kernel Manual 1383RLE run length encoding 1384RLL run length limited 1385RLO right-to-left override 1386RM read miss 1387RMCP Remote Management Control Protocol 1388RMI remote method invocation 1389RMO Relaxed Memory Ordering 1390RMPM rapid memory power management 1391RMS root mean square 1392RMW read, modify, write 1393RNG random number generator 1394ROM read only memory 1395ROP return-oriented programming 1396RPC remote procedure call 1397RPG Report Program Generator 1398RPKI resource PKI 1399RPL requested privilege level 1400RPM revolutions per minute 1401RPN reverse Polish notation 1402RPVST Rapid Per-VLAN Spanning Tree 1403RR random replacement 1404RR round robin 1405RS relay station 1406RSA Rivest, Shamir, [and] Adleman 1407RSIP Realm Specific IP 1408RSN Robust Secure Network 1409RSS really simple syndication 1410RSS Receive Side Scaling 1411RSS residual sum of squares 1412RSTP Rapid Spanning Tree Protocol 1413RT real time 1414RTC real time clock 1415RTC real time computing 1416RTF rich text format 1417RTL register transfer language 1418RTL resistor-transistor logic 1419RTL right to left 1420RTOS real time operating system 1421RTP Real-time Transport Protocol 1422RTS request to send 1423RTT round trip time 1424RTTI run-time type information 1425RUP rational unified process 1426RW Rabin-Williams 1427RWM read-write memory 1428RX {receive,receiver} 1429S/PDIF Sony/Philips Digital Interface Format 1430SA security advisory 1431SA security association 1432SA source address 1433SA structured analysis 1434SAAS software as a service 1435SABRE Semi-automated business research environment 1436SACD super audio compact disc 1437SAD security association database 1438SAF-TE SCSI accessed fault-tolerant enclosure 1439SAGE Semi-automated ground environment 1440SAL {service,system} abstraction layer 1441SAM serial access memory 1442SAM sum addressed memory 1443SAML security assertion markup language 1444SAN storage area network 1445SAP service access point 1446SAPIC streamlined advanced programmable interrupt controller 1447SASD structured analysis, structured design 1448SASI Shugart Associates System Interface 1449SASL simple authentication [and] security layer 1450SATA serial advanced technology attachment 1451SAX simple API for XML 1452SB sound blaster 1453SBSA server base system architecture 1454SBU standard build unit 1455SC store conditional 1456SCA source code analyzer 1457SCADA supervisory control and data acquisition 1458SCC single chip cloud 1459SCC source code control 1460SCCP skinny call control protocol 1461SCCS Source Code Control System 1462SCI scalable coherent interface 1463SCI system control interrupt 1464SCIM smart common input method 1465SCM software configuration management 1466SCM source code management 1467SCM storage-class memory 1468SCO synchronous connection orientated 1469SCP secure copy 1470SCP system control processor 1471SCPI system control and power interface 1472SCSI Small Computer System Interface 1473SCTP Stream Control Transmission Protocol 1474SDDC software defined data center 1475SDEI software delegated exception interface 1476SDI symbol deinterleave 1477SDK software development kit 1478SDL Simple Declarative Language 1479SDL Simple Direct-media Layer 1480SDLC {software,system,systems} development life cycle 1481SDN software defined networking 1482SDP Session Description Protocol 1483SDR software defined radio 1484SDRAM synchronous dynamic random access memory 1485SDS software defined storage 1486SDT syntax-directed translation 1487SEA synchronous external abort 1488SEGV segmentation violation 1489SED self-encrypting drive 1490SED stream editor 1491SEMB serial ATA enclosure management bridge 1492SEO search engine optimization 1493SES SCSI enclosure services 1494SFC sequential function chart 1495SFI simple firmware interface 1496SFI software fault isolation 1497SFTP SSH File Transfer Protocol 1498SFTP Serial File Transfer Protocol 1499SFTP Simple File Transfer Protocol 1500SGI Silicon Graphics, Inc 1501SGI software generated interrupt 1502SGMII serial gigabit media independent interface 1503SGPIO serial general purpose input/output 1504SGRAM synchronous graphics random access memory 1505SHA secure hash algorithm 1506SICP structure and interpretation of computer programs 1507SIDH supersingular isogeny Diffie-Hellman 1508SIEM security information and event management 1509SIF source input format 1510SIFS short inter-frame space 1511SIM subscriber identity module 1512SIMD single instruction, multiple data 1513SIMM single inline memory module 1514SIP Session Initiation Protocol 1515SIR signal-to-interference ratio 1516SIR slow infrared 1517SISD single instruction, single data 1518SIV synthetic intialization vector 1519SLAAC stateless address auto-configuration 1520SLC single-level cell 1521SLDRAM synchronous-link dynamic random access memory 1522SLED single large expensive disk 1523SLI scalable link interface 1524SLI scan-line interleave 1525SLIC system license internal code 1526SLOC source lines of code 1527SLRU segmented LRU 1528SMA smart memory access 1529SMAF system management action field 1530SMAP Simple Mail Access Protocol 1531SMAP supervisor mode access prevention 1532SMART self-monitoring analysis and reporting technology 1533SMB Server Message Block 1534SMB system management bus 1535SMBIOS System Management BIOS 1536SMC system management controller 1537SMD storage module device 1538SMEP supervisor mode execution protection 1539SMF single mode fiber 1540SMI structure of management information 1541SMI system management interrupt 1542SMM system management mode 1543SMP serial management protocol 1544SMP symmetric multiprocessing 1545SMR shingled magnetic recording 1546SMR state machine replication 1547SMT simultaneous multithreading 1548SMTP Simple Mail Transfer Protocol 1549SMU system management unit 1550SNA systems network architecture 1551SNAP Sub-Network Access Protocol 1552SNIA Storage Networking Industry Association 1553SNMP Simple Network Management Protocol 1554SNR signal-to-noise ratio 1555SOA service oriented architecture 1556SOAP Simple Object Access Protocol 1557SOC system on chip 1558SOF start of frame 1559SOH start of header 1560SOHO small office/home office 1561SOL serial over LAN 1562SOM system on module 1563SP service pack 1564SP stack pointer 1565SPA storage pool allocator 1566SPAN switched port analyzer 1567SPARC scalable processor architecture 1568SPARQL SPARQL Protocol and RDF Query Language 1569SPD security policy database 1570SPD serial presence detect 1571SPDIF Sony/Philips digital interface format 1572SPI serial peripheral interface 1573SPI stateful packet inspection 1574SPIR standard portable intermediate representation 1575SPL system interrupt priority level 1576SPL spinlock 1577SPMD single process, multiple data 1578SPR special purpose register 1579SPT sectors per track 1580SQA software quality assurance 1581SQCIF sub quarter common intermediate format 1582SQL Structured Query Language 1583SRAM static random access memory 1584SRC sample rate conversion 1585SRP SCSI RDMA protocol 1586SRR shaped round robin 1587SRTP Secure Real-time Transport Protocol 1588SS self-snoop 1589SS stack segment 1590SSA static single assignment 1591SSAP source service access point 1592SSB single-sideband modulation 1593SSC spread spectrum clock 1594SSD solid state drive 1595SSE streaming SIMD extensions 1596SSFDC solid state floppy disc card 1597SSH secure shell 1598SSI server side includes 1599SSID service set identifier 1600SSTP secure socket tunneling protocol 1601SSL secure sockets layer 1602SSP stack smashing protection 1603STC software thermal control 1604STD state transition diagram 1605STM software transactional memory 1606STOMP Streaming Text Oriented Messaging Protocol 1607STP Spanning Tree Protocol 1608STP shielded twisted pair 1609STRG spanning tree root guard 1610SUN Stanford University Network 1611SUS Single Unix Specification 1612SUT system under test 1613SVC switched virtual circuit 1614SVG scalable vector graphics 1615SVGA Super Video Graphics Array 1616SVI {switch,switched} virtual interface 1617SVM secure virtual machine 1618SVM support vector machine 1619SVR System V Release 1620SVS Separate Virtual Space 1621SWF Shockwave Flash 1622SWIG simplified wrapper [and] interface generator 1623SYR symbol timing recovery 1624TA test assertion 1625TA transmitter address 1626TACACS terminal access controller access-control system 1627TAI international atomic time 1628TAO track at once 1629TAOCP The Art of Computer Programming 1630TAP Test Anything Protocol 1631TAS test and set 1632TB terabyte 1633TBNF transitional backus-naur form 1634TCB trace capture buffer 1635TCB trusted computing base 1636TCC thermal control circuit 1637TCL tool command language 1638TCP Transmission Control Protocol 1639TCQ tagged command queueing 1640TDC time [to] digital converter 1641TDD test-driven development 1642TDD time division duplex 1643TDM time division multiplexing 1644TDMA time division multiple access 1645TDOA time difference of arrival 1646TDP thermal design {point,power} 1647TDR time-domain reflectometry 1648TECO Text Editor and Corrector 1649TEE Trusted Execution Environment 1650TFT thin film transistor 1651TFTP Trivial File Transfer Protocol 1652TIAS try it and see 1653TIFF tagged image file format 1654TITS try it to see 1655TK temporal key 1656TKIP Temporal Key Integrity Protocol 1657TLA top level aggregator 1658TLB translation lookaside buffer 1659TLD top level domain 1660TLER time-limited error recovery 1661TLI transport layer interface 1662TLS thread local storage 1663TLS transport layer security 1664TM Turing machine 1665TM thermal monitor 1666TMG transmogrifier 1667TMDS transition minimized differential signaling 1668TMO timeout 1669TOD time of day 1670TOE TCP offload engine 1671TOFU trust on first use 1672TOS terms of service 1673TOS trusted operating system 1674TOS type of service 1675TOTP time-based one time password 1676TP transaction processing 1677TPI tracks per inch 1678TPM transactions per minute 1679TPM trusted platform module 1680TPR task priority register 1681TPS transactions per second 1682TPS transmission parameters signaling 1683TR task register 1684TR token ring 1685TRL timing recovery loop 1686TRNG true random number generator 1687TS terminal services 1688TS time series 1689TS time stamp 1690TS transport stream 1691TSAN Thread Sanitizer 1692TSC time stamp counter 1693TSD time stamp disable 1694TSDB time series database 1695TSL test, set, lock 1696TSO time sharing option 1697TSO TCP segmentation offload 1698TSO Total Store Ordering 1699TSP Time-Stamp Protocol 1700TSP Tunnel Setup Protocol 1701TSP time synchronization protocol 1702TSP traveling salesman problem 1703TSS task state segment 1704TSV tab-separated values 1705TTL time to live 1706TTL transistor-transistor logic 1707TTM translation table maps 1708TTY teletype 1709TU translation unit 1710TUI {terminal,text-based,textual} user interface 1711TX {transmit out,transmitter} 1712TXG transaction group 1713TZ time zone 1714UAC user {access,account} control 1715UAF use-after-free 1716UART universal asynchronous receiver/transmitter 1717UAT user acceptance testing 1718UB undefined behavior 1719UBSAN Undefined Behavior Sanitizer 1720UC uncacheable 1721UCS uniform-cost search 1722UCS unified computing system 1723UCS universal coded character set 1724UDI uniform driver interface 1725UDMA ultra DMA 1726UDO ultra density optical 1727UDP User Datagram Protocol 1728UEFI unified extensible firmware interface 1729UFO UDP fragmentation offload 1730UFS Unix File System 1731UGA universal graphics adapter 1732UI unit interval 1733UI user interface 1734UICC universal integrated circuit card 1735UID unique identifier 1736UID user identifier 1737UL upload 1738UMA uniform memory access 1739UMA upper memory area 1740UMB upper memory block 1741UML unified modeling language 1742UMPC ultra-mobile PC 1743UPNP universal plug and play 1744UPS uninterruptible power supply 1745URI uniform resource identifier 1746URL uniform resource locator 1747URN uniform resource name 1748USART universal synchronous/asynchronous receiver/transmitter 1749USB universal serial bus 1750USWC uncacheable speculative write combining 1751UT unit test 1752UTC coordinated universal time 1753UTF unicode transformation formats 1754UTP unshielded twisted pair 1755UTS UNIX time-sharing 1756UUCP Unix-to-Unix Copy Protocol 1757UUID universally unique identifier 1758UUOC useless use of cat 1759UUT unit under test 1760UX user experience 1761VA vertical alignment 1762VA virtual address 1763VA volt-ampere 1764VAX virtual address extension 1765VB Visual Basic 1766VBR volume boot record 1767VCA variable-gain amplifier 1768VCC common collector voltage 1769VCCP virtual chassis control protocol 1770VCF voltage-controlled filter 1771VCM virtual channel memory 1772VCO voltage-controlled oscillator 1773VCP virtual chassis port 1774VCS version control system 1775VDPAU Video Decode and Presentation API for Unix 1776VES virtual execution system 1777VESA Video Electronics Standards Association 1778VFO variable-frequency oscillator 1779VFS virtual file system 1780VG volume group 1781VGA Video Graphics Array 1782VHDCI very high density cable interconnect 1783VID {VLAN,voltage level} identifier 1784VIM Vi IMproved 1785VIPT virtually indexed, physically tagged 1786VIVT virtually indexed, virtually tagged 1787VLAN virtual local area network 1788VLD variable-length decoding 1789VLIW very long instruction word 1790VLSI very large scale integration 1791VLSM variable length subnet mask 1792VM virtual {machine,memory} 1793VME virtual mode extension 1794VMX vector multimedia extensions 1795VMX virtual machine extensions 1796VNC virtual network computing 1797VOD video on demand 1798VPD vital product data 1799VPN virtual private network 1800VPWS virtual private wire service 1801VR virtual reality 1802VRAM video random access memory 1803VRF virtual routing and forwarding 1804VRM voltage regulator module 1805VROC Virtual RAID On CPU 1806VRRP Virtual Router Redundancy Protocol 1807VSTP VLAN Spanning Tree Protocol 1808VTP VLAN Trunking Protocol 1809VXFS Veritas file system 1810VXVM Veritas volume manager 1811W watt 1812W3C World Wide Web Consortium 1813WAFL write anywhere file layout 1814WAMP Web Application Messaging Protocol 1815WAN wide area network 1816WAP Wireless Application Protocol 1817WAP wireless access point 1818WDM Windows Driver Model 1819WDDM Windows Display Driver Model 1820WDT watchdog timer 1821WEP Wired Equivalent Privacy 1822WFI wait for interrupt 1823WFQ weighted fair queuing 1824WH write hit 1825WHEA Windows hardware error architecture 1826WIFI wireless fidelity 1827WLAN wireless local area network 1828WM write miss 1829WMF Windows meta file 1830WMI Windows Management Instrumentation 1831WOL Wake-on-LAN 1832WOM Wake-on-Modem 1833WOR Wake-on-Ring 1834WORM write once read many 1835WP WordPerfect 1836WP word processor 1837WP write protect 1838WPA Wi-Fi Protected Access 1839WPA2 Wi-Fi Protected Access II 1840WPAD web proxy auto-discovery protocol 1841WPS Wi-Fi Protected Setup 1842WRAM window random access memory 1843WS web services 1844WTC write through caching 1845WTD weighted tail drop 1846WWAN wireless wide area network 1847WWW world wide web 1848WYSIAYG what you see is all you get 1849WYSIWYG what you see is what you get 1850XBAR crossbar 1851XDMCP X Display Manager control protocol 1852XER XML encoding rules 1853XGA Extended Graphics Array 1854XHR XMLHttpRequest 1855XIP execute in place 1856XML Extensible Markup Language 1857XNA XNA's not acronymed 1858XNS Xerox network systems 1859XOR exclusive or 1860XP extreme programming 1861XSI X/Open System Interface 1862XSL extensible stylesheet language 1863XSLT extensible stylesheet language transformations 1864XSS cross site scripting 1865XT extended technology 1866XTACACS extended terminal access controller access-control system 1867XTI X/Open transport interface 1868XUL XML user interface language 1869YACC yet another compiler compiler 1870YAML YAML ain't markup language 1871YANG yet another next generation 1872YAWPFAPR you are welcome; please file a problem report 1873YP Yellow Pages 1874YTD year to date 1875ZAP ZFS attribute processor 1876ZBR zone bit recording 1877ZFOD zero-filled on demand 1878ZFS zettabyte file system 1879ZIF zero insertion force 1880ZIFS zero insertion force socket 1881ZIL ZFS intent log 1882ZMA zone multicast address 1883ZOI zero one infinity 1884ZOI zone of influence 1885ZPL ZFS Posix layer 1886ZVOL ZFS Volume 1887