acronyms.comp revision 1.346
1$NetBSD: acronyms.comp,v 1.346 2023/03/07 01:29:21 thorpej 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 47ALS ambient light sensor 48ALSA advanced Linux sound architecture 49ALU arithmetic and logical unit 50ALUA asymmetric logical unit access 51AM access method 52AM alignment mask 53AM amplitude modulation 54AMD Advanced Micro Devices Inc 55AMDD Agile model-driven development 56AMI alternate mark inversion 57AMP asymmetric multiprocessing 58AMQP advanced message queuing protocol 59AMT active management technology 60AN Arabic number 61ANR application not responding 62ANSI American National Standards Institute 63AO analog output 64AOC add-on card 65AOL Alert-on-LAN 66AOS add or subtract 67AOT ahead of time 68AP access point 69AP application processor 70APFS Apple file system 71API application programming interface 72APEI ACPI platform error interface 73APIC advanced programmable interrupt controller 74APIPA automatic private IP addressing 75APM advanced power management 76APM application performance management 77APU accelerated processing unit 78APT advanced persistent threat 79AQM active queue management 80ARAT always running APIC timer 81ARC adaptive replacement cache 82ARC Advanced RISC Computing 83ARC automatic reference counting 84ARM Advanced RISC Machines 85ARP Address Resolution Protocol 86ARPA Advanced Research Projects Agency 87ARQ automatic repeat request 88ARR address range register 89ARU audio response unit 90AS autonomous system 91ASA Adaptive Security Appliance 92ASAN Address Sanitizer 93ASC advanced smart cache 94ASCII American Standard Code for Information Interchange 95ASD agile software development 96ASE advanced software environment 97ASF alert standard format 98ASIC application-specific integrated circuit 99ASK amplitude shift keying 100ASLR address space layout randomization 101ASN autonomous system number 102ASP active server pages 103ASP auxiliary storage pool 104ASPM active state power management 105ASQ automated software quality 106ASR address space register 107ASR Apple software restore 108AST abstract syntax tree 109AST asynchronous system trap 110AT access time 111AT advanced technology 112ATA advanced technology attachment 113ATAPI advanced technology attachment packet interface 114ATC address translation cache 115ATF ARM trusted firmware 116ATF automated testing framework 117ATM asynchronous transfer mode 118ATX advanced technology extended 119AV anti virus 120AVB audio video bridging 121AVL Adelson-Velsky-Landis 122AVX advanced vector extensions 123AWDL Apple wireless direct link 124BA byte align 125BAL basic assembly language 126BAR base address register 127BBS bulletin board system 128BCC blind carbon copy 129BCD binary coded decimal 130BCH boot console handler 131BCR byte count register 132BCS base configuration space 133BD baud 134BDD binary decision diagram 135BDI bit deinterleave 136BDUF big design up front 137BEDO burst extended data output 138BER basic encoding rules 139BER bit error {rate,ratio} 140BERT boot error record table 141BFD bidirectional forwarding detection 142BFD binary {file,format} descriptor 143BFKL big fscking kernel lock 144BFS breadth-first search 145BFT binary file transfer 146BGA ball grid array 147BGP Border Gateway Protocol 148BGPSEC BGP Security 149BIND Berkeley Internet Name Daemon 150BIOS Basic Input/Output System 151BIOS built-in operating system 152BIST built-in self-test 153BIU bus interface unit 154BKDG BIOS and kernel developer's guide 155BLAS basic linear algebra subprograms 156BLC back light control 157BLE Bluetooth low energy 158BLOB binary large object 159BM bus master 160BMC baseboard management controller 161BMP basic multilingual plane 162BMP bitmap image file 163BMIC bus master interface controller 164BN boundary neutral 165BNF Backus-Naur form 166BO binary output 167BOF beginning of file 168BOM beginning of message 169BOM byte order mark 170BP base pointer 171BP boot processor 172BPB BIOS parameter block 173BPDU bridge protocol data unit 174BPF Berkeley Packet Filter 175BPI bits per inch 176BPM business process modelling 177BPS bits per second 178BPSK binary phase shift keying 179BQS Berkeley quality software 180BRE basic regular expression 181BS backspace 182BS binary sequence 183BSA basic service area 184BSD Berkeley Software Distribution 185BSDP Boot Service Discovery Protocol 186BSF bit scan forward 187BSOD blue screen of death 188BSP binary space partition 189BSP board support package 190BSP bootstrap processor 191BSR bit scan reverse 192BSS basic service set 193BSS block started by symbol 194BSSID basic service set identifier 195BT BitTorrent 196BT Bluetooth 197BT bit test 198BTC bit test [and] complement 199BTM bus transport mechanism 200BTR bit test [and] reset 201BTS bit test [and] set 202BTS bug tracking system 203BW bandwidth 204BWM block-write mode 205BUAG big ugly ASCII graphic 206CA certificate authority 207CACLS change access control lists 208CAD computer-aided design 209CAM computer assisted manufacturing 210CAM conditional access module 211CAM content addressable memory 212CARP Common Address Redundancy Protocol 213CAS column address strobe 214CAS compare and swap 215CAS computer algebra system 216CASE computer aided software engineering 217CAU control access unit 218CAV constant angular velocity 219CBC cipher block chaining 220CBR constant bit rate 221CC carbon copy 222CCC Chaos Computer Club 223CCD charge coupled device 224CCI co-channel interferer 225CCNUMA cache-coherent non-uniform memory access 226CCTL command completion time limit 227CD cache disable 228CD compact disc 229CDDA compact disc digital audio 230CDL compiler description language 231CDMA code division multiple access 232CDN content delivery network 233CDP Cisco Discovery Protocol 234CDRAM cache dynamic random access memory 235CER canonical encoding rules 236CE customer edge 237CF compact flash 238CFB cipher feedback 239CFG context-free grammar 240CFG control-flow graph 241CFI control-flow integrity 242CG control gate 243CGA Color Graphics Adapter 244CGI common gateway interface 245CGN Carrier-Grade NAT 246CHAP Challenge-Handshake Authentication Protocol 247CHFS chip file system 248CHS cylinder/head/sector 249CI continuous integration 250CI {common,component} interface 251CIA confidentiality, integrity, availability 252CIDR Classless Inter-Domain Routing 253CIF common intermediate format 254CIFS Common Internet File System 255CIL common intermediate language 256CIR carrier-to-interference ratio 257CIS contact image sensor 258CISC complex instruction set {computer,computing} 259CJK Chinese, Japanese, [and] Korean 260CLF common log format 261CLI command line interface 262CLI common language infrastructure 263CLR common language runtime 264CLS common language specification 265CLTT closed loop thermal throttling 266CLUT color look-up table 267CLV constant linear velocity 268CM configuration management 269CMA concert multithread architecture 270CMC chassis management controller 271CMC corrected machine check 272CMC certificate management over CMS 273CMS {configuration,content,course} management system 274CMS cryptographic message syntax 275CMI control {management,method} interface 276CMOS complementary metal-oxide-semiconductor 277CMP chip multi-processing 278CMS content management system 279CMYK cyan magenta yellow black 280CN {common,canonical} name 281CNC computer numerical control 282CNR carrier-to-noise ratio 283COA change of authority 284COF current operating frequency 285COFDM coded orthogonal frequency division multiplexing 286COFF common object file format 287COM component object model 288COM computer on module 289COMA cache-only memory architecture 290CORBA common object request broker architecture 291COS class of service 292COW copy-on-write 293CP continuous pilot 294CPA chosen-plaintext attack 295CPB core performance boost 296CPC central processor complex 297CPC cpu performance counters 298CPE common phase error 299CPE common platform enumeration 300CPER common platform error record 301CPG clock pulse generator 302CPI cycles per instruction 303CPL current privilege level 304CPLD complex programmable logic device 305CPP C preprocessor 306CPS characters per second 307CPS continuation-passing style 308CPT command pass through 309CPU central processing unit 310CR carriage return 311CRC cyclic redundancy check 312CRL carrier recovery loop 313CRLF carriage return line feed 314CSPM cloud security posture management 315CSU C start up 316CRT cathode ray tube 317CRTP curiously recurring template pattern 318CRUD create, read, update, and delete 319CS cable select 320CS chip select 321CS code segment 322CS computer science 323CSDL {common,conceptual} schema definition language 324CSI channel state information 325CSI common system interface 326CSMA carrier sense multiple access 327CSMA/CA carrier sense multiple access with collision avoidance 328CSMA/CD carrier sense multiple access with collision detection 329CSP communicating sequential processes 330CSP content security policy 331CSP constrain satisfaction problems 332CSP cryptographic service provider 333CSR control [and] status registers 334CSRG Computer Systems Research Group 335CSS cascading style sheets 336CST common spanning tree 337CSV comma-separated values 338CTF compact c type format 339CTM close to metal 340CTR counter [mode] 341CTS clear to send 342CTS common type system 343CUA common user access 344CUT coordinated universal time 345CV control voltage 346CVE common vulnerabilities and exposures 347CVS Concurrent Versions System 348DA destination address 349DAA distributed application architecture 350DAAP digital audio access protocol 351DAB digital audio broadcasting 352DAC digital [to] analog converter 353DAC discretionary access control 354DAD duplicate address detection 355DANE DNS-based Authentication of Named Entities 356DAO disk at once 357DAP Directory Access Protocol 358DAT digital audio tape 359DAT dynamic acceleration technology 360DB database 361DBA database administrator 362DBA dynamic bandwidth allocation 363DBB data bus buffer 364DBC design by contract 365DBL dynamic buffer limiting 366DBMS database management system 367DBS database server 368DC data center 369DC direct current 370DCC Direct Client-to-Client 371DCC direct cable connect 372DCD data carrier detect 373DCE data control equipment 374DCE distributed computing environment 375DCIM data center infrastructure management 376DCIM digital camera images 377DCL Digital Command Language 378DCOM distributed component object model 379DCOP Desktop COmmunication Protocol 380DCS data collection systems 381DCT discrete cosine transform 382DCU data cache unit 383DDC display data channel 384DDE dynamic data exchange 385DDI device drivers interface 386DDK device driver kit 387DDL data description language 388DDR double data rate 389DDS direct digital sound 390DDWG Digital Display Working Group 391DE debugging extensions 392DE desktop environment 393DEA data encryption algorithm 394DEC Digital Equipment Corporation 395DEK data encryption key 396DEP data execution prevention 397DER distinguished encoding rules 398DES Data Encryption Standard 399DF don't fragment 400DFA deterministic finite automaton 401DFC data flow control 402DFS depth first search 403DFS distributed file system 404DFSAN Data Flow Sanitizer 405DFT diagnostic function test 406DFT discrete Fourier transform 407DGL data generation language 408DGEMM double precision general matrix multiply 409DH Diffie-Hellman 410DHCP Dynamic Host Configuration Protocol 411DIA dedicated Internet access 412DIB device independent bitmap 413DIFS distributed inter-frame space 414DIMM dual inline memory module 415DIRT design in real time 416DKI driver/kernel interface 417DL diode logic 418DL discrete logarithm 419DL download 420DLCI data link connection identifier 421DLE data link escape 422DLL dynamic link library 423DLNA digital living network alliance 424DLP discrete logarithm problem 425DMA direct memory access 426DMI desktop management interface 427DMS document management system 428DMT discrete multitone modulation 429DMU data management layer 430DNARD Digital network appliance reference design 431DND drag and drop 432DNLC directory name lookup cache 433DNS Domain Name System 434DNSSEC DNS Security Extensions 435DOE distributed object environment 436DOF data over fibre 437DOM document object model 438DOS denial of service 439DOS disk operating system 440DP DisplayPort 441DPC deferred procedure call 442DPCM differential pulse code modulation 443DPD dead peer detection 444DPI deep packet inspection 445DPI dots per inch 446DPL descriptor privilege level 447DPS Display PostScript 448DPST display power savings technology 449DRAAS disaster recovery as a service 450DRAM dynamic random access memory 451DRBG deterministic random bit generator 452DRI direct rendering infrastructure 453DRM digital rights management 454DRM direct rendering manager 455DRRS display refresh rate switching 456DS debug store 457DS differentiated services 458DS9000 DeathStation 9000 459DS9K DeathStation 9000 460DSA digital signature algorithm 461DSAP destination service access point 462DSB double-sideband modulation 463DSCP differentiated services code point 464DSDT differentiated system descriptor table 465DSF device special file 466DSL dataset and snapshot layer 467DSL digital subscriber line 468DSL domain specific language 469DSLAM digital subscriber line access multiplexer 470DSN delivery status notification 471DSO dynamic shared object 472DSP digital signal processor 473DSSS direct sequence spread spectrum 474DTB device tree blob 475DTC device tree compiler 476DTD document type definition 477DTE data terminal equipment 478DTE dumb terminal emulator 479DTL diode-transistor logic 480DTLS datagram transport layer security 481DTS device tree source 482DTS digital thermal sensor 483DUT device under test 484DVB digital video broadcasting 485DVCS distributed version control system 486DVD digital versatile disc 487DVFS dynamic voltage and frequency scaling 488DVI device independent 489DVI Digital Visual Interface 490DVR digital video recorder 491DWARF Debugging With Attributed Record Formats 492E-XER extended XML encoding rules 493EABI embedded-application binary interface 494EAI Email Address Internationalization 495EAI Enterprise Application Integration 496EAP Extensible Authentication Protocol 497EAPOL EAP over Lan 498EAV entity-attribute-value model 499EAV ethernet audio/video bridging 500EBCDIC Extended Binary Coded Decimal Interchange Code 501EBDA Extended BIOS Data Area 502EBNF extended backus-naur form 503EBR extended boot record 504EC elliptic curve 505ECC elliptic curve cryptography 506ECC error correction code 507ECDH elliptic curve Diffie-Hellman 508ECDL elliptic curve discrete logarithm 509ECDLP elliptic curve discrete logarithm problem 510ECDSA elliptic curve digital signature algorithm 511ECL emitter-coupled logic 512ECN explicit congestion notification 513ECP enhanced capability port 514ECS enhanced chip set 515ECS extended configuration space 516EDAC error detection and correction 517EDAT enhanced dynamic acceleration technology 518EdDSA Edwards curve digital signature algorithm 519EDGE explicit data graph execution 520EDID extended display identification data 521EDO extended data out 522EDS electronical data sheet 523EDSAC electronic delay storage automatic calculator 524EDVAC electronic discrete variable automatic computer 525EEE energy efficient ethernet 526EEE embrace, extend, extinguish 527EEPROM electrically erasable programmable read only memory 528EFI extensible firmware interface 529EFL emitter follower logic 530EFM eight to fourteen modulation 531EFS extent file system 532EGA Enhanced Graphics Adapter 533EGP exterior gateway protocol 534EH extension header 535EIDE enhanced IDE 536EISA extended industry standard architecture 537EINJ error injection table 538ELF executable and linking format 539ELS entry level system 540EMI electro-magnetic interference 541EMP electro-magnetic pulse 542EMR electro-magnetic radiation 543EMACS Editor MACroS 544ENIAC electronic numerical integrator and computer 545EOF end of file 546EOI end of interrupt 547EOIS end of interactive support 548EOL end of life 549EOL end of line 550EOT end of transmission 551EPIC explicitly parallel instruction computing 552EPP enhanced parallel port 553EPRML extended partial response, maximum likelihood 554EPROM erasable programmable read only memory 555EPT extended page tables 556ERC error recovery control 557ERD emergency recovery disk 558ERD entity relationship diagram 559ERE extended regular expression 560ERST error record serialization table 561ESAN Efficiency Sanitizer 562ESB enterprise service bus 563ESDI enhanced small disk interface 564ESDRAM enhanced synchronous dynamic random access memory 565ESI enclosure services interface 566ESS electronic switching system 567ESS extended service set 568ESSID extended service set identifier 569EST enhanced speedstep 570ETL extract, transform, load 571EU execution unit 572EULA end user license agreement 573FAT file allocation table 574FBRAM frame buffer random access memory 575FCIF full common intermediate format 576FCL fiber channel loop 577FCS frame check sequence 578FDC floppy disk controller 579FDD floppy disk drive 580FDDI fiber distributed data interface 581FDE full disk encryption 582FDT flattened device tree 583FEA finite element analysis 584FEC forward error correction 585FET field-effect transistor 586FF finite field 587FF form feed 588FFDH finite-field Diffie-Hellman 589FFH functional fixed hardware 590FFI foreign function interface 591FFM focus follows mouse 592FFS Fast File System 593FFS find first set 594FFT fast Fourier transform 595FG floating gate 596FHRP first hop redundancy protocol 597FHSS frequency hop spread spectrum 598FID frequency identifier 599FIFO first in, first out 600FILO first in, last out 601FIPS Federal Information Processing Standards 602FIR fast infrared 603FLOPS floating [point] operations per second 604FLOSS free/libre/open source software 605FM frequency modulation 606FMR false match rate 607FOSS free/open source software 608FPGA field programmable gate array 609FPM fast page mode 610FPR floating point register 611FPU floating point unit 612FQDN fully qualified domain name 613FRR false rejection rate 614FRU field replaceable unit 615FS file system 616FSB front side bus 617FSCK file system check 618FSF Free Software Foundation 619FSK frequency shift keying 620FSM finite-state machine 621FTA fault tree analysis 622FTL flash translation layer 623FTP File Transfer Protocol 624FTPS File Transfer Protocol Secure 625FTTH fiber to the home 626FUS fast user switching 627FWH firmware hub 628FWS folding white space 629GAL generic array logic 630GARP generic attribute registration protocol 631GAS generic address structure 632GC garbage collector 633GCC GNU Compiler Collection 634GCM Galois counter mode 635GCR group-coded recording 636GDI Graphics Device Interface 637GDT global descriptor table 638GECOS general comprehensive operating supervisor 639GEM graphics environment manager 640GEM graphics execution manager 641GEMM general matrix multiply 642GENA general event notification architecture 643GHC Glasgow Haskell compiler 644GHES generic hardware error source 645GIC generic interrupt controller 646GID group identifier 647GIF graphics interchange format 648GLBP gateway load balancing protocol 649GMCH graphics and memory controller hub 650GNU GNU's Not Unix 651GOP graphics output protocol 652GOT global offset table 653GPE general purpose event 654GPF general protection fault 655GPG GNU Privacy Guard 656GPL [GNU] General Public License 657GPR general purpose register 658GPS generalized processor sharing 659GPT GUID partition table 660GPU graphics processing unit 661GR golden ratio 662GRE generic routing encapsulation 663GRO generic receive offload 664GSI global system interrupt 665GSO generic send offload 666GUI graphical user interface 667GUID globally unique identifier 668GUS Gravis UltraSound 669GVFS git virtual file system 670HA high availability 671HAL hardware abstraction layer 672HAT hashed array tree 673HATEOAS hypermedia as the engine of application state 674HBA host bus adapter 675HCC Home Cable Computer 676HCCA Home Cable Computer Adaptor 677HCF halt and catch fire 678HCI host controller interface 679HCI human-computer interaction 680HCL hardware compatibility list 681HDCP High-bandwidth Digital Content Protection 682HDD hard disk drive 683HDL hardware description language 684HDMI High-Definition Multimedia Interface 685HDTV high-definition television 686HECI host embedded controller interface 687HEST hardware error source table 688HEVC high efficiency video coding 689HF high frequency 690HFM highest frequency mode 691HFS hierarchical file system 692HID human interface device 693HKDF HMAC-based key derivation function 694HKP HTTP Keyserver Protocol 695HLL high-level language 696HMA high memory area 697HMI human-machine interface 698HOOD hierarchical object oriented design 699HOTP HMAC-based one time password 700HP Hewlett-Packard 701HPC high performance computing 702HPD hot plug detection 703HPET high precision event timer 704HSM hardware security module 705HSM hierarchical storage management 706HSRP hot standby router protocol 707HT hyper-threading 708HTC hardware thermal control 709HTCC high temperature co-fired ceramic 710HTML HyperText Markup Language 711HTT hyper-threading technology 712HTTP Hypertext Transfer Protocol 713HTTPS Hypertext Transfer Protocol Secure 714HVM hardware virtual machine 715HVDS High-Voltage Differential Signaling 716HWASAN Hardware-assisted Address Sanitizer 717HZ Hertz 718I2O intelligent input/output 719IA information assurance 720IAAS infrastructure as a service 721IANA Internet Assigned Numbers Authority 722IBC iterated block cipher 723IBM International Business Machines 724IBPI international blinking pattern interpretation 725IBS instruction based sampling 726IBSS independent basic service set 727IC integrated circuit 728ICA independent computer architecture 729ICACLS integrity control access control lists 730ICB Internet Citizen's Band 731ICE in-circuit emulator 732ICE internal compiler error 733ICH I/O controller hub 734ICMP Internet Control Message Protocol 735ICT information and communications technology 736ICW initialization command word 737IDA Intel dynamic acceleration 738IDCMP Intuition direct communication message port 739IDCT inverse discrete cosine transform 740IDE integrated development environment 741IDE integrated drive electronics 742IDPS intrusion detection [and] prevention system 743IDRP inter-domain routing protocol 744IDS intrusion detection system 745IDT interrupt descriptor table 746IE Internet Explorer 747IEC International Electrotechnical Commission 748IEEE Institute of Electrical and Electronics Engineers 749IESG Internet Engineering Steering Group 750IETF Internet Engineering Task Force 751IF intermediate frequency 752IFCM isochronous flow control mode 753IFF Interchange File Format 754IFS internal field separator 755IGD Internet gateway device 756IGMP Internet Group Management Protocol 757IGP interior gateway protocol 758IHV independent hardware vendor 759IKE Internet key exchange 760ILM internal loopback mode 761ILOM integrated lights-out management 762ILP instruction level parallelism 763IM instant messaging 764IME input method editor 765IMAP Internet Message Access Protocol 766IMC integrated memory controller 767IMCR interrupt mode configuration register 768IMR interrupt mask register 769IMS information management system 770IMSI international mobile subscriber identity 771INCITS InterNational Committee for Information Technology Standards 772INODE index node 773IO input/output 774IOCTL input/output control 775IOM input/output managers 776IOMMU input/output memory management unit 777IOT Internet of Things 778IP Internet Protocol 779IP intellectual property 780IPC instructions per cycle 781IPC interprocess communication 782IPCF interprocess communication facility 783IPE integrated programming environment 784IPI intelligent peripheral interface 785IPI interprocessor interrupt 786IPL Initial Program Load 787IPL Interrupt Priority Level 788IPMB Intelligent Platform Management Bus 789IPMI Intelligent Platform Management Interface 790IPNG Internet Protocol, Next Generation 791IPS in-plane switching 792IPS intrusion prevention system 793IPSEC Internet Protocol Security 794IRC Internet Relay Chat 795IRDA infrared data association 796IRDP ICMP Router Discovery Protocol 797IR intermediate representation 798IRQ interrupt request 799IRQL interrupt request level 800IRR interrupt request register 801IRTF Internet Research Task Force 802IS information system 803ISA industry standard architecture 804ISA instruction set architecture 805ISE instant secure erase 806ISDN integrated services digital network 807ISI inter-symbol interference 808ISL initial system load 809ISM industrial, scientific, [and] medical 810ISMS information system management system 811ISN initial serial number 812ISO International Standards Organization 813ISOC Internet Society 814ISP Internet service provider 815ISR in-service register 816ISR interrupt service routine 817IST internal spanning tree 818IST interrupt stack table 819ISV independent software vendor 820IT information technology 821ITB Intel Turbo Boost 822ITIL information technology infrastructure library 823ITP in-target probe 824ITSM IT service management 825IV initialization vector 826IVT interrupt vector table 827JBOD just a bunch of disks 828JCL Job Control Language 829JFET junction [gate] field-effect transistor 830JIT just in time 831JPEG Joint Photographic Experts Group 832JRE Java Runtime Environment 833JSON JavaScript Object Notation 834JTAG joint test action group 835KASAN Kernel Address Sanitizer 836KASLR kernel address space layout randomization 837KB keyboard 838KB kilobyte 839KBD keyboard 840KBD kilobaud 841KCS keyboard controller style 842KLOC thousand lines of code 843KMS kernel-mode setting 844KPI kernel programming interface 845KVA kernel virtual address 846KVM kernel virtual machine 847KVM kernel virtual memory 848KVM keyboard, video, [and] mouse 849L2CAP link layer control and adaptation protocol 850LAG link aggregation group 851LAMP Linux Apache MySQL {Perl,PHP,Python} 852LAN local area network 853LAPIC local advanced programmable interrupt controller 854LAR load access rights 855LBA logical block addressing 856LBNF labeled backus-naur form 857LBS location-based service 858LCD liquid crystal display 859LCP link control protocol 860LDA local delivery agent 861LDAP Lightweight Directory Access Protocol 862LDR light-dependent resistor 863LDT local descriptor table 864LE logical extent 865LED light emitting diode 866LELL low energy link layer 867LER label edge router 868LF line feed 869LF low frequency 870LFM lowest frequency mode 871LFN long file names 872LFO low-frequency oscillation 873LFS log-structured file system 874LFU least frequently used 875LHP loop heat pipe 876LIF logical interchange format 877LIFO last in, first out 878LILO LInux LOader 879LILO last in, last out 880LINT local interrupt 881LIR local Internet registry 882LISP LISt Processor 883LISP Locator/ID Separation Protocol 884LKM {Linux,loadable} kernel module 885LKML Linux kernel mailing list 886LL load linked 887LL/SC load linked/store conditional 888LLC logical link control 889LLD low-level design 890LLDD low-level design document 891LLDP link layer discovery protocol 892LLF low level format 893LLMNR link-local multicast name resolution 894LLVM Low Level Virtual Machine 895LM long mode 896LMCE local machine check exception 897LMI local management interface 898LMM link management mode 899LMP link management protocol 900LNO loop nest optimization 901LOC lines of code 902LOM lights-out management 903LPE Linux performance events 904LPC low pin count 905LPS local positioning system 906LRC longitudinal redundancy check 907LRM left-to-right mark 908LRO left-to-right override 909LRU least recently used 910LS link state 911LSAN Leak Sanitizer 912LSB Linux standards base 913LSB least significant {bit,byte} 914LSI large scale integration 915LSL load segment limit 916LSM log structured merge 917LSN Large Scale NAT 918LSN log sequence number 919LSO large send offload 920LSR label switch router 921LTCC low temperature co-fired ceramic 922LTO linear tape-open 923LTO link time optimization 924LTR left to right 925LTR load task register 926LTR letter(-sized paper) 927LTS long term support 928LUA Lua Uppercase Accident 929LUN logical unit number 930LV logical volume 931LVM logical volume management 932LVT local vector table 933LVDS Low-Voltage Differential Signaling 934LWP light-weight process 935LZSS Lempel Ziv Storer Szymanski 936LZW Lempel Ziv Welch 937MAB MAC authentication bypass 938MAC mandatory access control 939MAC {media,medium} access control 940MAC message authentication {check,code} 941MADT multiple APIC descriptor table 942MAMR microwave-assisted magnetic recording 943MB megabyte 944MBA multi-boot agent 945MBR master boot record 946MBS megabits per second 947MC memory controller 948MCA machine check architecture 949MCA MicroChannel architecture 950MCC multiversion concurrency control 951MCE machine check exception 952MCGA Multi-Color Graphics Array 953MCH memory controller hub 954MCLAG multi-chassis link aggregation group 955MCM multi-chip module 956MCQ memory controlled queue 957MD machine-dependent 958MD MiniDisc 959MD-SAL model-driven service abstraction layer 960MDA mail delivery agent 961MDA Monochrome Display Adapter 962MDC Management Data Clock 963MDI Medium Dependent Interface 964MDI-X Medium Dependent Interface Crossover 965MDIO Management Data Input/Output 966MDMX MIPS Digital Media eXtension 967MDRAM multibank dynamic random access memory 968MESI modified, exclusive, shared, invalid 969MFC merge from current 970MFC Microsoft Foundation Classes 971MFM modified frequency modulation 972MFU most frequently used 973MGCP media gateway control protocol 974MHU message handling unit 975MI machine-independent 976MI machine interface 977MIB management information base 978MIC message integrity {check,code} 979MID mobile Internet device 980MIDI musical instrument digital interface 981MIF management information format 982MII media independent interface 983MIM man in the middle 984MIMD multiple instruction, multiple data 985MIME Multipurpose Internet Mail Extensions 986MIMO multiple input multiple output 987MIPS million instructions per second 988MIPS Microprocessor without Interlocked Pipeline Stages 989MISD multiple instruction, single data 990MIT Massachusetts Institute of Technology 991MITM man in the middle 992ML machine language 993ML machine learning 994ML mailing list 995ML markup language 996ML maximum likelihood 997MLAG multi-chassis link aggregation group 998MLC multi-level cell 999MLD multicast listener discovery 1000MLHP micro loop heat pipe 1001MLIR multi-level intermediate representation 1002MMF multi-mode fiber 1003MMIC monolithic microwave integrated circuit 1004MMIO memory mapped input/output 1005MMORPG massive multiplayer online role playing game 1006MMRP multiple MAC registration protocol 1007MMU memory management unit 1008MMX matrix math extension 1009MMX multimedia extension 1010MMX multiple math extension 1011MO magneto-optical 1012MOESI modified, owned, exclusive, shared, invalid 1013MOF maximum operating frequency 1014MOSFET metal-oxide-semiconductor field-effect transistor 1015MOSI modified, owned, shared, invalid 1016MP multi-platform 1017MP multiplayer 1018MP {multiprocessing,multiprocessor} 1019MPEG moving picture experts group 1020MPI message passing interface 1021MPLS Multiprotocol Label Switching 1022MPP massively parallel processor 1023MPS memory pool system 1024MPS multiprocessor specification 1025MQTT Message Queuing Telemetry Transport 1026MR modem ready 1027MRO method resolution order 1028MRP multiple registration protocol 1029MRU most recently used 1030MS Microsoft 1031MSAN Memory Sanitizer 1032MSB most significant {bit,byte} 1033MSC message sequence chart 1034MSE mean square error 1035MSF minutes seconds frames 1036MSI message signaled interrupt 1037MSI modified, shared, invalid 1038MSR {machine state,model-specific} register 1039MSS maximum segment size 1040MSTP Multiple Spanning Tree Protocol 1041MT machine translation 1042MTA mail transfer agent 1043MTBF mean time between failures 1044MTP media transfer protocol 1045MTRR memory type range register 1046MTTF mean time to failure 1047MTU maximum transmission unit 1048MUA mail user agent 1049MUD multi-user domain 1050MVCC multiversion concurrency control 1051MVR multicast VLAN registration 1052MVRP multiple VLAN registration protocol 1053MWE module width encoding 1054MX mail exchange 1055NACK negative acknowledgement 1056NAK negative acknowledgement 1057NAN neighbor awareness networking 1058NAN not a number 1059NAPT Network Address Port Translation 1060NAS network attached storage 1061NAT network address translation 1062NAV network allocation vector 1063NC numerical control 1064NC-SI network controller sideband interface 1065NCO numerically-controlled oscillator 1066NCP Network Control Protocol 1067NCSI network connectivity status indicator 1068NCQ native command queuing 1069ND neighbor discovery 1070NDFA nondeterministic finite automaton 1071NDIS network driver interface specification 1072NE numeric error 1073NEWS Network extensible Window System 1074NFA nondeterministic finite automaton 1075NFC near-field communication 1076NFCI no functional change intended 1077NFS network file system 1078NFV network function virtualization 1079NHACP NABU HCCA Application Communication Protocol 1080NIA next instruction address 1081NIC network information center 1082NIC network interface card 1083NIDS network intrusion detection system 1084NIP network interface protocol 1085NIPS network intrusion prevention system 1086NIS network information service 1087NIST National Institute of Standards and Technology 1088NLS native language support 1089NMI non-maskable interrupt 1090NNTP Network News Transfer Protocol 1091NMR nonce-misuse resistance 1092NOC network operations center 1093NOP no operation 1094NOS network operating system 1095NP nondeterministic polynomial time 1096NRND not recommended for new designs 1097NRZ non-return to zero 1098NSA nation-state adversary 1099NSA no such agency 1100NSA National Security Agency 1101NTM non-deterministic Turing machine 1102NTP Network Time Protocol 1103NUMA non-uniform memory access 1104NURBS non-uniform rational basis spline 1105NVMM NetBSD Virtual Machine Monitor 1106NVMM non-volatile main memory 1107NVRAM non-volatile random access memory 1108NW not write-through 1109NX no execute 1110OAEP optimal asymmetric encryption padding 1111OAM operations, administration, and {management,maintenance} 1112OBO off by one 1113OBOE off by one error 1114OCL object constraint language 1115OCR optical character recognition 1116ODE offline device environment 1117ODI open data-link interface 1118ODM object data manager 1119ODCM on-demand clock modulation 1120ODMR on-demand mail relay 1121ODT on-die termination 1122OEM original equipment manufacturer 1123OFB output feedback 1124OFDM orthogonal frequency division multiplexing 1125OFET organic field-effect transistor 1126OLAP online analytical processing 1127OLE object linking and embedding 1128OLTP online transaction processing 1129ONFI open nand flash interface 1130OO OpenOffice 1131OO object oriented 1132OOB out of band 1133OOE out of order execution 1134OOM out of memory 1135OOO OpenOffice.org 1136OOP object oriented programming 1137OOPS object oriented programming systems 1138OOSE object oriented software engineering 1139OPM operations per minute 1140OPS operations per second 1141OQL Object Query Language 1142ORB object request broker 1143ORM object-relational mapping 1144OS operating system 1145OSD object-based storage device 1146OSD open source definition 1147OSF open software foundation 1148OSI Open Source Initiative 1149OSI open systems interconnection 1150OSPF open shortest path first 1151OSPM OS power management 1152OSS open sound system 1153OSS open source software 1154OSVW operating system visible workarounds 1155OTP one time password 1156OTP open telecom platform 1157OU organizational unit 1158OUI organizationally unique identifier 1159OWASP Open Web Application Security Project 1160OWL Web Ontology Language 1161P2P PCI to PCI 1162P2P peer to peer 1163PA phase accumulator 1164PA physical address 1165PAAS platform as a service 1166PAC phase-amplitude converter 1167PAE physical address extension 1168PAGP port aggregation protocol 1169PAL phase alternating line 1170PAL programmable array logic 1171PAM pluggable authentication modules 1172PAM pulse amplitude modulation 1173PAP password authentication protocol 1174PAT page attribute table 1175PAT port address translation 1176PATA parallel ATA 1177PAX portable archive exchange 1178PBE pending break encoding 1179PBE programming by example 1180PBR partition boot record 1181PBX private branch exchange 1182PC personal computer 1183PC program counter 1184PCB printed circuit board 1185PCB process control block 1186PCB Protocol Control Block 1187PCBC propagating cipher block chaining 1188PCC Portable C Compiler 1189PCD page-level cache disable 1190PCE path computation element 1191PCE performance-monitor counter enable 1192PCEP Path Computation Element Protocol 1193PCH platform controller hub 1194PCI peripheral component interconnect 1195PCM phase change memory 1196PCM pulse code modulation 1197PCMCIA Personal Computer Memory Card International Association 1198PCP Port Control Protocol 1199PD public domain 1200PDA personal digital assistant 1201PDA pushdown automaton 1202PDAG propositional directed acyclic graph 1203PDB power distribution board 1204PDF portable document format 1205PDM pulse-duration modulation 1206PDN pull-down network 1207PDP page {descriptor,directory} page 1208PDS product data sheet 1209PDU protocol data unit 1210PE protection enable 1211PE provider edge 1212PE portable executable 1213PEAP Protected EAP 1214PECI platform environment control interface 1215PEP protocol extension protocol 1216PER packed encoding rules 1217PFS perfect forward secrecy 1218PGAS partitioned global address space 1219PGE page global enable 1220PGO profile guided optimization 1221PGP Pretty Good Privacy 1222PHB PCI host bridge 1223PHP PHP: Hypertext Preprocessor 1224PIC performance instrumentation counters 1225PIC position independent code 1226PIC programmable interrupt controller 1227PICNIC problem in chair, not in computer 1228PID process id 1229PIE position independent executable 1230PIL Priority Interrupt Level 1231PIM personal information manager 1232PIM platform-independent model 1233PIO programmed input/output 1234PIPT physically indexed, physically tagged 1235PIQ prefetch input queue 1236PIT programmable interrupt timer 1237PIV personal identity verification 1238PIX Private Internet eXchange 1239PKCS public-key cryptography standards 1240PKI public key infrastructure 1241PLC programmable logic controller 1242PLD programmable logic device 1243PLL phase locked loop 1244PLRU pseudo LRU 1245PLT procedure linkage table 1246PLTM package level thermal management 1247PM power management 1248PM {phase,pulse} modulation 1249PMC performance monitoring counters 1250PME power management event 1251PMEG page map entry group 1252PMI performance monitoring infrastructure 1253PMI platform management interrupt 1254PMIC power management integrated circuit 1255PMIO port-mapped input/output 1256PMT photo-multiplier tube 1257PMU performance monitoring units 1258PMU power management unit 1259PNG portable network graphics 1260PNP plug and play 1261POE power over ethernet 1262POF probability of failure 1263POP Post Office Protocol 1264POP power on password 1265POR plan of record 1266POSIX Portable Operating System Interface [for Unix] 1267POST power on self test 1268POTS plain old telephone system 1269POWER Performance Optimization With Enhanced RISC 1270POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1271PP pair programming 1272PPB PCI [to] PCI bridge 1273PPC PowerPC 1274PPC Power Performance Computing 1275PPI pixels per inch 1276PPM pages per minute 1277PPP Point-to-Point Protocol 1278PPPOA Point-to-Point Protocol over ATM 1279PPPOE Point-to-Point Protocol over Ethernet 1280PPR processor programming reference 1281PPT powerpoint 1282PPT punched paper tape 1283PPU physics processing unit 1284PRAM Parameter RAM 1285PRBS pseudorandom bit sequence 1286PRG pseudorandom generator 1287PRF pseudorandom function [family] 1288PRML partial response, maximum likelihood 1289PRN pseudorandom {noise,number} 1290PRNG pseudorandom number generator 1291PROM programmable read only memory 1292PRP pseudorandom permutation 1293PRU Programmable Realtime Unit 1294PS PostScript 1295PSD power spectral density 1296PSE page size extensions 1297PSK phase shift keying 1298PSK pre-shared key 1299PSTN public switched telephone network 1300PSW program status word 1301PTE page table entry 1302PTLA pseudo top level aggregator 1303PTP page table page 1304PTV perceived target value 1305PU processing unit 1306PUC personal unblocking code 1307PUN physical unit number 1308PV physical volume 1309PVC permanent virtual circuit 1310PVG physical volume group 1311PVI protected-mode virtual interrupt 1312PVRST Per-VLAN rapid spanning tree 1313PVST Per-VLAN Spanning Tree 1314PWM pulse width modulation 1315PXE preboot execution environment 1316QA quality assurance 1317QAM quadrature amplitude modulation 1318QAM quality assurance management 1319QBE query by example 1320QC quality control 1321QDI quasi delay insensitive 1322QCIF quarter common intermediate format 1323QOI quality of implementation 1324QOI quick order interface 1325QOS quality of service 1326QVL qualified vendor list 1327R/O read only 1328R/W read/write 1329RA receiver address 1330RA remote assistance 1331RA resource affinity 1332RA router advertisement 1333RAD rapid application development 1334RADIUS remote authentication dial-in user service 1335RAID redundant array of {independent,inexpensive} disks 1336RAII resource acquisition is initialization 1337RAM random access memory 1338RAS reliability, availability and serviceability 1339RAS remote access service 1340RAS restartable atomic sequence 1341RAS row address strobe 1342RBF radial basis function 1343RBNF routing backus-naur form 1344RBT red-black tree 1345RC release candidate 1346RC remote control 1347RC run commands 1348RCS Revision Control System 1349RCU read, copy, update 1350RDB Rigid Disk Block 1351RDBMS relational database management system 1352RDF Resource Description Framework 1353RDM relational data model 1354RDMA remote direct memory access 1355RDP remote desktop protocol 1356RDRAM Rambus DRAM 1357RE regular expression 1358REPL read, evaluate, print, loop 1359REST representational state transfer 1360RF radio frequency 1361RFB remote frame buffer 1362RFI radio frequency interference 1363RFO request for ownership 1364RFU reserved for future use 1365RGB red green blue 1366RGBA red green blue alpha 1367RGMII reduced gigabit media independent interface 1368RH read hit 1369RHEL Red Hat Enterprise Linux 1370RHL Red Hat Linux 1371RIB routing information base 1372RIFF Resource Interchange File Format 1373RIP Raster Image Processor 1374RIP Routing Information Protocol 1375RIR regional Internet registry 1376RISC reduced instruction set {computer,computing} 1377RKM ROM Kernel Manual 1378RLE run length encoding 1379RLL run length limited 1380RLO right-to-left override 1381RM read miss 1382RMCP Remote Management Control Protocol 1383RMI remote method invocation 1384RMO Relaxed Memory Ordering 1385RMPM rapid memory power management 1386RMS root mean square 1387RMW read, modify, write 1388RNG random number generator 1389ROM read only memory 1390ROP return-oriented programming 1391RPC remote procedure call 1392RPG Report Program Generator 1393RPKI resource PKI 1394RPL requested privilege level 1395RPM revolutions per minute 1396RPN reverse Polish notation 1397RPVST Rapid Per-VLAN Spanning Tree 1398RR random replacement 1399RR round robin 1400RS relay station 1401RSA Rivest, Shamir, [and] Adleman 1402RSIP Realm Specific IP 1403RSN Robust Secure Network 1404RSS really simple syndication 1405RSS Receive Side Scaling 1406RSS residual sum of squares 1407RSTP Rapid Spanning Tree Protocol 1408RT real time 1409RTC real time clock 1410RTC real time computing 1411RTF rich text format 1412RTL register transfer language 1413RTL resistor-transistor logic 1414RTL right to left 1415RTOS real time operating system 1416RTP Real-time Transport Protocol 1417RTS request to send 1418RTT round trip time 1419RTTI run-time type information 1420RUP rational unified process 1421RW Rabin-Williams 1422RWM read-write memory 1423RX {receive,receiver} 1424S/PDIF Sony/Philips Digital Interface Format 1425SA security advisory 1426SA security association 1427SA source address 1428SA structured analysis 1429SAAS software as a service 1430SABRE Semi-automated business research environment 1431SACD super audio compact disc 1432SAD security association database 1433SAF-TE SCSI accessed fault-tolerant enclosure 1434SAGE Semi-automated ground environment 1435SAL {service,system} abstraction layer 1436SAM serial access memory 1437SAM sum addressed memory 1438SAML security assertion markup language 1439SAN storage area network 1440SAP service access point 1441SAPIC streamlined advanced programmable interrupt controller 1442SASD structured analysis, structured design 1443SASI Shugart Associates System Interface 1444SASL simple authentication [and] security layer 1445SATA serial advanced technology attachment 1446SAX simple API for XML 1447SB sound blaster 1448SBSA server base system architecture 1449SBU standard build unit 1450SC store conditional 1451SCA source code analyzer 1452SCADA supervisory control and data acquisition 1453SCC single chip cloud 1454SCC source code control 1455SCCP skinny call control protocol 1456SCCS Source Code Control System 1457SCI scalable coherent interface 1458SCI system control interrupt 1459SCIM smart common input method 1460SCM software configuration management 1461SCM source code management 1462SCM storage-class memory 1463SCO synchronous connection orientated 1464SCP secure copy 1465SCP system control processor 1466SCPI system control and power interface 1467SCSI Small Computer System Interface 1468SCTP Stream Control Transmission Protocol 1469SDDC software defined data center 1470SDEI software delegated exception interface 1471SDI symbol deinterleave 1472SDK software development kit 1473SDL Simple Declarative Language 1474SDL Simple Direct-media Layer 1475SDLC {software,system,systems} development life cycle 1476SDN software defined networking 1477SDP Session Description Protocol 1478SDR software defined radio 1479SDRAM synchronous dynamic random access memory 1480SDS software defined storage 1481SDT syntax-directed translation 1482SEA synchronous external abort 1483SEGV segmentation violation 1484SED self-encrypting drive 1485SED stream editor 1486SEMB serial ATA enclosure management bridge 1487SEO search engine optimization 1488SES SCSI enclosure services 1489SFC sequential function chart 1490SFI simple firmware interface 1491SFI software fault isolation 1492SFTP SSH File Transfer Protocol 1493SFTP Serial File Transfer Protocol 1494SFTP Simple File Transfer Protocol 1495SGI Silicon Graphics, Inc 1496SGI software generated interrupt 1497SGMII serial gigabit media independent interface 1498SGPIO serial general purpose input/output 1499SGRAM synchronous graphics random access memory 1500SHA secure hash algorithm 1501SICP structure and interpretation of computer programs 1502SIDH supersingular isogeny Diffie-Hellman 1503SIEM security information and event management 1504SIF source input format 1505SIFS short inter-frame space 1506SIM subscriber identity module 1507SIMD single instruction, multiple data 1508SIMM single inline memory module 1509SIP Session Initiation Protocol 1510SIR signal-to-interference ratio 1511SIR slow infrared 1512SISD single instruction, single data 1513SIV synthetic intialization vector 1514SLAAC stateless address auto-configuration 1515SLC single-level cell 1516SLDRAM synchronous-link dynamic random access memory 1517SLED single large expensive disk 1518SLI scalable link interface 1519SLI scan-line interleave 1520SLIC system license internal code 1521SLOC source lines of code 1522SLRU segmented LRU 1523SMA smart memory access 1524SMAF system management action field 1525SMAP Simple Mail Access Protocol 1526SMAP supervisor mode access prevention 1527SMART self-monitoring analysis and reporting technology 1528SMB Server Message Block 1529SMB system management bus 1530SMBIOS System Management BIOS 1531SMC system management controller 1532SMD storage module device 1533SMEP supervisor mode execution protection 1534SMF single mode fiber 1535SMI structure of management information 1536SMI system management interrupt 1537SMM system management mode 1538SMP serial management protocol 1539SMP symmetric multiprocessing 1540SMR shingled magnetic recording 1541SMR state machine replication 1542SMT simultaneous multithreading 1543SMTP Simple Mail Transfer Protocol 1544SMU system management unit 1545SNA systems network architecture 1546SNAP Sub-Network Access Protocol 1547SNIA Storage Networking Industry Association 1548SNMP Simple Network Management Protocol 1549SNR signal-to-noise ratio 1550SOA service oriented architecture 1551SOAP Simple Object Access Protocol 1552SOC system on chip 1553SOF start of frame 1554SOH start of header 1555SOHO small office/home office 1556SOL serial over LAN 1557SOM system on module 1558SP service pack 1559SP stack pointer 1560SPA storage pool allocator 1561SPAN switched port analyzer 1562SPARC scalable processor architecture 1563SPARQL SPARQL Protocol and RDF Query Language 1564SPD security policy database 1565SPD serial presence detect 1566SPDIF Sony/Philips digital interface format 1567SPI serial peripheral interface 1568SPI stateful packet inspection 1569SPL system interrupt priority level 1570SPL spinlock 1571SPMD single process, multiple data 1572SPR special purpose register 1573SPT sectors per track 1574SQA software quality assurance 1575SQCIF sub quarter common intermediate format 1576SQL Structured Query Language 1577SRAM static random access memory 1578SRC sample rate conversion 1579SRP SCSI RDMA protocol 1580SRR shaped round robin 1581SRTP Secure Real-time Transport Protocol 1582SS self-snoop 1583SS stack segment 1584SSA static single assignment 1585SSAP source service access point 1586SSB single-sideband modulation 1587SSC spread spectrum clock 1588SSD solid state drive 1589SSE streaming SIMD extensions 1590SSFDC solid state floppy disc card 1591SSH secure shell 1592SSI server side includes 1593SSID service set identifier 1594SSTP secure socket tunneling protocol 1595SSL secure sockets layer 1596SSP stack smashing protection 1597STC software thermal control 1598STD state transition diagram 1599STM software transactional memory 1600STOMP Streaming Text Oriented Messaging Protocol 1601STP Spanning Tree Protocol 1602STP shielded twisted pair 1603STRG spanning tree root guard 1604SUN Stanford University Network 1605SUS Single Unix Specification 1606SUT system under test 1607SVC switched virtual circuit 1608SVG scalable vector graphics 1609SVGA Super Video Graphics Array 1610SVI {switch,switched} virtual interface 1611SVM secure virtual machine 1612SVM support vector machine 1613SVR System V Release 1614SVS Separate Virtual Space 1615SWF Shockwave Flash 1616SWIG simplified wrapper [and] interface generator 1617SYR symbol timing recovery 1618TA test assertion 1619TA transmitter address 1620TACACS terminal access controller access-control system 1621TAI international atomic time 1622TAO track at once 1623TAOCP The Art of Computer Programming 1624TAP Test Anything Protocol 1625TAS test and set 1626TB terabyte 1627TBNF transitional backus-naur form 1628TCB trace capture buffer 1629TCB trusted computing base 1630TCC thermal control circuit 1631TCL tool command language 1632TCP Transmission Control Protocol 1633TCQ tagged command queueing 1634TDC time [to] digital converter 1635TDD test-driven development 1636TDD time division duplex 1637TDM time division multiplexing 1638TDMA time division multiple access 1639TDOA time difference of arrival 1640TDP thermal design {point,power} 1641TDR time-domain reflectometry 1642TECO Text Editor and Corrector 1643TEE Trusted Execution Environment 1644TFT thin film transistor 1645TFTP Trivial File Transfer Protocol 1646TIAS try it and see 1647TIFF tagged image file format 1648TITS try it to see 1649TK temporal key 1650TKIP Temporal Key Integrity Protocol 1651TLA top level aggregator 1652TLB translation lookaside buffer 1653TLD top level domain 1654TLER time-limited error recovery 1655TLI transport layer interface 1656TLS thread local storage 1657TLS transport layer security 1658TM Turing machine 1659TM thermal monitor 1660TMG transmogrifier 1661TMDS transition minimized differential signaling 1662TMO timeout 1663TOD time of day 1664TOE TCP offload engine 1665TOFU trust on first use 1666TOS terms of service 1667TOS trusted operating system 1668TOS type of service 1669TOTP time-based one time password 1670TP transaction processing 1671TPI tracks per inch 1672TPM transactions per minute 1673TPM trusted platform module 1674TPR task priority register 1675TPS transactions per second 1676TPS transmission parameters signaling 1677TR task register 1678TR token ring 1679TRL timing recovery loop 1680TRNG true random number generator 1681TS terminal services 1682TS time series 1683TS time stamp 1684TS transport stream 1685TSAN Thread Sanitizer 1686TSC time stamp counter 1687TSD time stamp disable 1688TSDB time series database 1689TSL test, set, lock 1690TSO time sharing option 1691TSO TCP segmentation offload 1692TSO Total Store Ordering 1693TSP Time-Stamp Protocol 1694TSP Tunnel Setup Protocol 1695TSP time synchronization protocol 1696TSP traveling salesman problem 1697TSS task state segment 1698TSV tab-separated values 1699TTL time to live 1700TTL transistor-transistor logic 1701TTM translation table maps 1702TTY teletype 1703TU translation unit 1704TUI {terminal,text-based,textual} user interface 1705TX {transmit out,transmitter} 1706TXG transaction group 1707TZ time zone 1708UAC user {access,account} control 1709UAF use-after-free 1710UART universal asynchronous receiver/transmitter 1711UAT user acceptance testing 1712UB undefined behavior 1713UBSAN Undefined Behavior Sanitizer 1714UC uncacheable 1715UCS uniform-cost search 1716UCS unified computing system 1717UCS universal coded character set 1718UDI uniform driver interface 1719UDMA ultra DMA 1720UDO ultra density optical 1721UDP User Datagram Protocol 1722UEFI unified extensible firmware interface 1723UFO UDP fragmentation offload 1724UFS Unix File System 1725UGA universal graphics adapter 1726UI unit interval 1727UI user interface 1728UICC universal integrated circuit card 1729UID unique identifier 1730UID user identifier 1731UL upload 1732UMA uniform memory access 1733UMA upper memory area 1734UMB upper memory block 1735UML unified modeling language 1736UMPC ultra-mobile PC 1737UPNP universal plug and play 1738UPS uninterruptible power supply 1739URI uniform resource identifier 1740URL uniform resource locator 1741URN uniform resource name 1742USART universal synchronous/asynchronous receiver/transmitter 1743USB universal serial bus 1744USWC uncacheable speculative write combining 1745UT unit test 1746UTC coordinated universal time 1747UTF unicode transformation formats 1748UTP unshielded twisted pair 1749UTS UNIX time-sharing 1750UUCP Unix-to-Unix Copy Protocol 1751UUID universally unique identifier 1752UUOC useless use of cat 1753UUT unit under test 1754UX user experience 1755VA vertical alignment 1756VA virtual address 1757VA volt-ampere 1758VAX virtual address extension 1759VB Visual Basic 1760VBR volume boot record 1761VCA variable-gain amplifier 1762VCC common collector voltage 1763VCCP virtual chassis control protocol 1764VCF voltage-controlled filter 1765VCM virtual channel memory 1766VCO voltage-controlled oscillator 1767VCP virtual chassis port 1768VCS version control system 1769VDPAU Video Decode and Presentation API for Unix 1770VES virtual execution system 1771VESA Video Electronics Standards Association 1772VFO variable-frequency oscillator 1773VFS virtual file system 1774VG volume group 1775VGA Video Graphics Array 1776VHDCI very high density cable interconnect 1777VID {VLAN,voltage level} identifier 1778VIM Vi IMproved 1779VIPT virtually indexed, physically tagged 1780VIVT virtually indexed, virtually tagged 1781VLAN virtual local area network 1782VLD variable-length decoding 1783VLIW very long instruction word 1784VLSI very large scale integration 1785VLSM variable length subnet mask 1786VM virtual {machine,memory} 1787VME virtual mode extension 1788VMX vector multimedia extensions 1789VMX virtual machine extensions 1790VNC virtual network computing 1791VOD video on demand 1792VPD vital product data 1793VPN virtual private network 1794VPWS virtual private wire service 1795VR virtual reality 1796VRAM video random access memory 1797VRF virtual routing and forwarding 1798VRM voltage regulator module 1799VROC Virtual RAID On CPU 1800VRRP Virtual Router Redundancy Protocol 1801VSTP VLAN Spanning Tree Protocol 1802VTP VLAN Trunking Protocol 1803VXFS Veritas file system 1804VXVM Veritas volume manager 1805W watt 1806W3C World Wide Web Consortium 1807WAFL write anywhere file layout 1808WAMP Web Application Messaging Protocol 1809WAN wide area network 1810WAP Wireless Application Protocol 1811WAP wireless access point 1812WDM Windows Driver Model 1813WDDM Windows Display Driver Model 1814WDT watchdog timer 1815WEP Wired Equivalent Privacy 1816WFI wait for interrupt 1817WFQ weighted fair queuing 1818WH write hit 1819WHEA Windows hardware error architecture 1820WIFI wireless fidelity 1821WLAN wireless local area network 1822WM write miss 1823WMF Windows meta file 1824WMI Windows Management Instrumentation 1825WOL Wake-on-LAN 1826WOM Wake-on-Modem 1827WOR Wake-on-Ring 1828WORM write once read many 1829WP WordPerfect 1830WP word processor 1831WP write protect 1832WPA Wi-Fi Protected Access 1833WPA2 Wi-Fi Protected Access II 1834WPAD web proxy auto-discovery protocol 1835WPS Wi-Fi Protected Setup 1836WRAM window random access memory 1837WS web services 1838WTC write through caching 1839WTD weighted tail drop 1840WWAN wireless wide area network 1841WWW world wide web 1842WYSIAYG what you see is all you get 1843WYSIWYG what you see is what you get 1844XBAR crossbar 1845XDMCP X Display Manager control protocol 1846XER XML encoding rules 1847XGA Extended Graphics Array 1848XHR XMLHttpRequest 1849XIP execute in place 1850XML Extensible Markup Language 1851XNA XNA's not acronymed 1852XNS Xerox network systems 1853XOR exclusive or 1854XP extreme programming 1855XSI X/Open System Interface 1856XSL extensible stylesheet language 1857XSLT extensible stylesheet language transformations 1858XSS cross site scripting 1859XT extended technology 1860XTACACS extended terminal access controller access-control system 1861XTI X/Open transport interface 1862XUL XML user interface language 1863YACC yet another compiler compiler 1864YAML YAML ain't markup language 1865YANG yet another next generation 1866YAWPFAPR you are welcome; please file a problem report 1867YP Yellow Pages 1868YTD year to date 1869ZAP ZFS attribute processor 1870ZBR zone bit recording 1871ZFOD zero-filled on demand 1872ZFS zettabyte file system 1873ZIF zero insertion force 1874ZIFS zero insertion force socket 1875ZIL ZFS intent log 1876ZMA zone multicast address 1877ZOI zero one infinity 1878ZOI zone of influence 1879ZPL ZFS Posix layer 1880ZVOL ZFS Volume 1881