acronyms.comp revision 1.264
1$NetBSD: acronyms.comp,v 1.264 2019/06/11 17:26:09 sevan Exp $ 23WHS three-way handshake 38VSB 8-state vestigial side band modulation 4AA anti-aliasing 5AAA authentication, authorization, [and] accounting 6AAT average access time 7ABI application binary interface 8ABNF augmented backus-naur form 9ABR available bit rate 10ABRT automatic bug reporting tool 11AC alternating current 12ACI adjacent channel interferer 13ACID atomicity, consistency, isolation, durability 14ACK Amsterdam compiler kit 15ACK acknowledgement 16ACL access control list 17ACL active current loop 18ACL asynchronous connection less 19ACP auxiliary control {process,program} 20ACPI advanced configuration and power interface 21ACS access control set 22ACU automatic calling unit 23ADB Apple desktop bus 24ADC analog [to] digital converter 25ADD acronym driven development 26ADO active data objects 27ADP automatic data processing 28ADPCM adaptive differential pulse code modulation 29ADS alternate data stream 30ADSL asymmetric digital subscriber line 31ADT abstract data type 32AER advanced error reporting 33AES Advanced Encryption Standard 34AFP Apple Filing Protocol 35AFS Andrew File System 36AGC automatic gain control 37AGP accelerated graphics port 38AI analog input 39AI artificial intelligence 40AL access list 41AL active link 42ALE address latch enable 43ALS ambient light sensor 44ALU arithmetic and logical unit 45ALUA asymmetric logical unit access 46AM access method 47AM alignment mask 48AM amplitude modulation 49AMD Advanced Micro Devices Inc 50AMDD Agile model-driven development 51AMI alternate mark inversion 52AMP asymmetric multiprocessing 53AMQP advanced message queuing protocol 54AMT active management technology 55AN Arabic number 56ANR application not responding 57ANSI American National Standards Institute 58AO analog output 59AOC add-on card 60AOL Alert-on-LAN 61AOS add or subtract 62AP access point 63AP application processor 64API application programming interface 65APEI ACPI platform error interface 66APIC advanced programmable interrupt controller 67APIPA automatic private IP addressing 68APM advanced power management 69APM application performance management 70APU accelerated processing unit 71APT advanced persistent threat 72AQM active queue management 73ARAT always running APIC timer 74ARC adaptive replacement cache 75ARC Advanced RISC Computing 76ARC automatic reference counting 77ARM Advanced RISC Machines 78ARP Address Resolution Protocol 79ARPA Advanced Research Projects Agency 80ARQ automatic repeat request 81ARR address range register 82ARU audio response unit 83AS autonomous system 84ASA Adaptive Security Appliance 85ASAN Address Sanitizer 86ASC advanced smart cache 87ASCII American Standard Code for Information Interchange 88ASD agile software development 89ASE advanced software environment 90ASF alert standard format 91ASIC application-specific integrated circuit 92ASK amplitude shift keying 93ASLR address space layout randomization 94ASN autonomous system number 95ASP active server pages 96ASP auxiliary storage pool 97ASPM active state power management 98ASQ automated software quality 99ASR address space register 100AST abstract syntax tree 101AST asynchronous system trap 102AT access time 103AT advanced technology 104ATA advanced technology attachment 105ATAPI advanced technology attachment packet interface 106ATC address translation cache 107ATM asynchronous transfer mode 108ATX advanced technology extended 109AV anti virus 110AVB audio video bridging 111AVL Adelson-Velsky-Landis 112AVX advanced vector extensions 113BA byte align 114BAL basic assembly language 115BAR base address register 116BBS bulletin board system 117BCC blind carbon copy 118BCD binary coded decimal 119BCH boot console handler 120BCR byte count register 121BCS base configuration space 122BD baud 123BDD binary decision diagram 124BDI bit deinterleave 125BDUF big design up front 126BEDO burst extended data output 127BER basic encoding rules 128BER bit error {rate,ratio} 129BERT boot error record table 130BFD binary {file,format} descriptor 131BFKL big fscking kernel lock 132BFS breadth-first search 133BFT binary file transfer 134BGA ball grid array 135BGP Border Gateway Protocol 136BGPSEC BGP Security 137BIND Berkeley Internet Name Daemon 138BIOS Basic Input/Output System 139BIOS built-in operating system 140BIST built-in self-test 141BIU bus interface unit 142BKDG BIOS and kernel developer's guide 143BLAS basic linear algebra subprograms 144BLC back light control 145BLOB binary large object 146BM bus master 147BMC baseboard management controller 148BMIC bus master interface controller 149BN boundary neutral 150BNF Backus-Naur form 151BO binary output 152BOF beginning of file 153BOM beginning of message 154BOM byte order mark 155BP base pointer 156BP boot processor 157BPB BIOS parameter block 158BPDU bridge protocol data unit 159BPF Berkeley Packet Filter 160BPI bits per inch 161BPM business process modelling 162BPS bits per second 163BPSK binary phase shift keying 164BQS Berkeley quality software 165BRE basic regular expression 166BS backspace 167BS binary sequence 168BSA basic service area 169BSD Berkeley Software Distribution 170BSDP Boot Service Discovery Protocol 171BSF bit scan forward 172BSOD blue screen of death 173BSP binary space partition 174BSP board support package 175BSP bootstrap processor 176BSR bit scan reverse 177BSS basic service set 178BSS block started by symbol 179BSSID basic service set identifier 180BT BitTorrent 181BT Bluetooth 182BT bit test 183BTC bit test [and] complement 184BTM bus transport mechanism 185BTR bit test [and] reset 186BTS bit test [and] set 187BTS bug tracking system 188BW bandwidth 189BWM block-write mode 190BUAG big ugly ASCII graphic 191CA certificate authority 192CAD computer-aided design 193CAM computer assisted manufacturing 194CAM conditional access module 195CAM content addressable memory 196CARP Common Address Redundancy Protocol 197CAS column address strobe 198CAS compare and swap 199CAS computer algebra system 200CASE computer aided software engineering 201CAU control access unit 202CAV constant angular velocity 203CBC cipher block chaining 204CBR constant bit rate 205CC carbon copy 206CCD charge coupled device 207CCI co-channel interferer 208CCNUMA cache-coherent non-uniform memory access 209CCTL command completion time limit 210CD cache disable 211CD compact disc 212CDDA compact disc digital audio 213CDL compiler description language 214CDMA code division multiple access 215CDP Cisco Discovery Protocol 216CDRAM cache dynamic random access memory 217CER canonical encoding rules 218CE customer edge 219CF compact flash 220CFB cipher feedback 221CFG context-free grammar 222CFG control-flow graph 223CFI control-flow integrity sanitizer 224CG control gate 225CGA Color Graphics Adapter 226CGI common gateway interface 227CGN Carrier-Grade NAT 228CHAP Challenge-Handshake Authentication Protocol 229CHS cylinder/head/sector 230CI continuous integration 231CI {common,component} interface 232CIDR Classless Inter-Domain Routing 233CIF common intermediate format 234CIFS Common Internet File System 235CIL common intermediate language 236CIR carrier-to-interference ratio 237CIS contact image sensor 238CISC complex instruction set {computer,computing} 239CJK Chinese, Japanese, [and] Korean 240CLF common log format 241CLI command line interface 242CLR common language runtime 243CLTT closed loop thermal throttling 244CLUT color look-up table 245CLV constant linear velocity 246CM configuration management 247CMA concert multithread architecture 248CMC chassis management controller 249CMC corrected machine check 250CMS {configuration,content,course} management system 251CMI control {management,method} interface 252CMOS complementary metal-oxide-semiconductor 253CMP chip multi-processing 254CMS content management system 255CMYK cyan magenta yellow black 256CN {common,canonical} name 257CNC computer numerical control 258CNR carrier-to-noise ratio 259COF current operating frequency 260COFDM coded orthogonal frequency division multiplexing 261COFF common object file format 262COM component object model 263COM computer on module 264COMA cache-only memory architecture 265CORBA common object request broker architecture 266COS class of service 267COW copy-on-write 268CP continuous pilot 269CPB core performance boost 270CPC central processor complex 271CPC cpu performance counters 272CPE common phase error 273CPE common platform enumeration 274CPER common platform error record 275CPG clock pulse generator 276CPI cycles per instruction 277CPL current privilege level 278CPLD complex programmable logic device 279CPP C preprocessor 280CPS characters per second 281CPS continuation-passing style 282CPT command pass through 283CPU central processing unit 284CR carriage return 285CRC cyclic redundancy check 286CRL carrier recovery loop 287CRLF carriage return line feed 288CRT cathode ray tube 289CRUD create, read, update, and delete 290CS cable select 291CS chip select 292CS code segment 293CS computer science 294CSDL {common,conceptual} schema definition language 295CSI channel state information 296CSI common system interface 297CSMA carrier sense multiple access 298CSMA/CA carrier sense multiple access with collision avoidance 299CSMA/CD carrier sense multiple access with collision detection 300CSP communicating sequential processes 301CSP content security policy 302CSP constrain satisfaction problems 303CSP cryptographic service provider 304CSR control [and] status registers 305CSRG Computer Systems Research Group 306CSS cascading style sheets 307CSV comma-separated values 308CTF compact c type format 309CTM close to metal 310CTR counter [mode] 311CTS clear to send 312CUA common user access 313CUT coordinated universal time 314CV control voltage 315CVE common vulnerabilities and exposures 316CVS Concurrent Versions System 317DA destination address 318DAA distributed application architecture 319DAB digital audio broadcasting 320DAC digital [to] analog converter 321DAC discretionary access control 322DAD duplicate address detection 323DANE DNS-based Authentication of Named Entities 324DAO disk at once 325DAP Directory Access Protocol 326DAT digital audio tape 327DAT dynamic acceleration technology 328DB database 329DBA database administrator 330DBA dynamic bandwidth allocation 331DBB data bus buffer 332DBC design by contract 333DBL dynamic buffer limiting 334DBMS database management system 335DBS database server 336DC direct current 337DCC Direct Client-to-Client 338DCC direct cable connect 339DCD data carrier detect 340DCE data control equipment 341DCE distributed computing environment 342DCIM data center infrastructure management 343DCIM digital camera images 344DCL Digital Command Language 345DCOM distributed component object model 346DCOP Desktop COmmunication Protocol 347DCS data collection systems 348DCT discrete cosine transform 349DCU data cache unit 350DDC display data channel 351DDE dynamic data exchange 352DDK device driver kit 353DDL data description language 354DDR double data rate 355DDS direct digital sound 356DDWG Digital Display Working Group 357DE debugging extensions 358DE desktop environment 359DEA data encryption algorithm 360DEC Digital Equipment Corporation 361DEK data encryption key 362DEP data execution prevention 363DER distinguished encoding rules 364DES Data Encryption Standard 365DF don't fragment 366DFA deterministic finite automaton 367DFC data flow control 368DFS depth first search 369DFS distributed file system 370DFSAN Data Flow Sanitizer 371DFT diagnostic function test 372DFT discrete Fourier transform 373DGL data generation language 374DH Diffie-Hellman 375DHCP Dynamic Host Configuration Protocol 376DIFS distributed inter-frame space 377DIMM dual inline memory module 378DIRT design in real time 379DL diode logic 380DL discrete logarithm 381DL download 382DLCI data link connection identifier 383DLE data link escape 384DLL dynamic link library 385DLP discrete logarithm problem 386DMA direct memory access 387DMI desktop management interface 388DMS document management system 389DMT discrete multitone modulation 390DMU data management layer 391DNARD Digital network appliance reference design 392DND drag and drop 393DNLC directory name lookup cache 394DNS Domain Name System 395DNSSEC DNS Security Extensions 396DOE distributed object environment 397DOF data over fibre 398DOM document object model 399DOS denial of service 400DOS disk operating system 401DP DisplayPort 402DPC deferred procedure call 403DPCM differential pulse code modulation 404DPD dead peer detection 405DPI deep packet inspection 406DPI dots per inch 407DPL descriptor privilege level 408DPS Display PostScript 409DPST display power savings technology 410DRAAS disaster recovery as a service 411DRAM dynamic random access memory 412DRBG deterministic random bit generator 413DRI direct rendering infrastructure 414DRM digital rights management 415DRRS display refresh rate switching 416DS debug store 417DSA digital signature algorithm 418DSAP destination service access point 419DSB double-sideband modulation 420DSDT differentiated system descriptor table 421DSF device special file 422DSL dataset and snapshot layer 423DSL digital subscriber line 424DSL domain specific language 425DSLAM digital subscriber line access multiplexer 426DSN delivery status notification 427DSO dynamic shared object 428DSP digital signal processor 429DSSS direct sequence spread spectrum 430DTD document type definition 431DTE data terminal equipment 432DTE dumb terminal emulator 433DTL diode-transistor logic 434DTLS datagram transport layer security 435DTS digital thermal sensor 436DUT device under test 437DVB digital video broadcasting 438DVCS distributed version control system 439DVD digital versatile disc 440DVFS dynamic voltage and frequency scaling 441DVI device independent 442DVI Digital Visual Interface 443DVR digital video recorder 444E-XER extended XML encoding rules 445EABI embedded-application binary interface 446EAI Email Address Internationalization 447EAI Enterprise Application Integration 448EAP Extensible Authentication Protocol 449EAPOL EAP over Lan 450EBCDIC Extended Binary Coded Decimal Interchange Code 451EBDA Extended BIOS Data Area 452EBNF extended backus-naur form 453EBR extended boot record 454EC elliptic curve 455ECC elliptic curve cryptography 456ECC error correction code 457ECDH elliptic curve Diffie-Hellman 458ECDL elliptic curve discrete logarithm 459ECDLP elliptic curve discrete logarithm problem 460ECDSA elliptic curve digital signature algorithm 461ECL emitter-coupled logic 462ECN explicit congestion notification 463ECP enhanced capability port 464ECS enhanced chip set 465ECS extended configuration space 466EDAC error detection and correction 467EDAT enhanced dynamic acceleration technology 468EdDSA Edwards curve digital signature algorithm 469EDGE explicit data graph execution 470EDID extended display identification data 471EDO extended data out 472EDS electronical data sheet 473EEE energy efficient ethernet 474EEPROM electrically erasable programmable read only memory 475EFI extensible firmware interface 476EFL emitter follower logic 477EFM eight to fourteen modulation 478EFS extent file system 479EGA Enhanced Graphics Adapter 480EGP exterior gateway protocol 481EH extension header 482EIDE enhanced IDE 483EISA extended industry standard architecture 484EINJ error injection table 485ELF executable and linking format 486ELS entry level system 487EMI electro-magnetic interference 488EMP electro-magnetic pulse 489EMR electro-magnetic radiation 490EMACS Editor MACroS 491EOF end of file 492EOI end of interrupt 493EOIS end of interactive support 494EOL end of life 495EOL end of line 496EOT end of transmission 497EPIC explicitly parallel instruction computing 498EPP enhanced parallel port 499EPRML extended partial response, maximum likelihood 500EPROM erasable programmable read only memory 501ERC error recovery control 502ERD emergency recovery disk 503ERD entity relationship diagram 504ERE extended regular expression 505ERST error record serialization table 506ESAN Efficiency Sanitizer 507ESB enterprise service bus 508ESDI enhanced small disk interface 509ESDRAM enhanced synchronous dynamic random access memory 510ESI enclosure services interface 511ESS electronic switching system 512ESS extended service set 513ESSID extended service set identifier 514EST enhanced speedstep 515ETL extract, transform, load 516EU execution unit 517EULA end user license agreement 518FAT file allocation table 519FBRAM frame buffer random access memory 520FCIF full common intermediate format 521FCL fiber channel loop 522FCS frame check sequence 523FDC floppy disk controller 524FDD floppy disk drive 525FDDI fiber distributed data interface 526FDE full disk encryption 527FDT flattened device tree 528FEA finite element analysis 529FEC forward error correction 530FET field-effect transistor 531FF finite field 532FF form feed 533FFDH finite-field Diffie-Hellman 534FFH functional fixed hardware 535FFI foreign function interface 536FFM focus follows mouse 537FFS Fast File System 538FFS find first set 539FFT fast Fourier transform 540FG floating gate 541FHSS frequency hop spread spectrum 542FID frequency identifier 543FIFO first in, first out 544FILO first in, last out 545FIPS Federal Information Processing Standards 546FIR fast infrared 547FLOPS floating [point] operations per second 548FLOSS free/libre/open source software 549FM frequency modulation 550FMR false match rate 551FOSS free/open source software 552FPGA field programmable gate array 553FPM fast page mode 554FPR floating point register 555FPU floating point unit 556FQDN fully qualified domain name 557FRR false rejection rate 558FRU field replaceable unit 559FS file system 560FSB front side bus 561FSCK file system check 562FSF Free Software Foundation 563FSK frequency shift keying 564FSM finite-state machine 565FTA fault tree analysis 566FTL flash translation layer 567FTP File Transfer Protocol 568FTPS File Transfer Protocol Secure 569FUS fast user switching 570FWH firmware hub 571FWS folding white space 572GAL generic array logic 573GAS generic address structure 574GC garbage collector 575GCM Galois counter mode 576GCR group-coded recording 577GDI Graphics Device Interface 578GDT global descriptor table 579GEM graphics environment manager 580GEM graphics execution manager 581GENA general event notification architecture 582GHC Glasgow Haskell compiler 583GHES generic hardware error source 584GIC generic interrupt controller 585GID group identifier 586GIF graphics interchange format 587GMCH graphics and memory controller hub 588GNU GNU's Not Unix 589GOP graphics output protocol 590GOT global offset table 591GPE general purpose event 592GPF general protection fault 593GPG GNU Privacy Guard 594GPL [GNU] General Public License 595GPR general purpose register 596GPS generalized processor sharing 597GPT GUID partition table 598GPU graphics processing unit 599GR golden ratio 600GRE generic routing encapsulation 601GSI global system interrupt 602GUI graphical user interface 603GUID globally unique identifier 604GVFS git virtual file system 605HA high availability 606HAL hardware abstraction layer 607HAT hashed array tree 608HATEOAS hypermedia as the engine of application state 609HBA host bus adapter 610HCF halt and catch fire 611HCI host controller interface 612HCI human-computer interaction 613HCL hardware compatibility list 614HDCP High-bandwidth Digital Content Protection 615HDD hard disk drive 616HDL hardware description language 617HDMI High-Definition Multimedia Interface 618HDTV high-definition television 619HECI host embedded controller interface 620HEST hardware error source table 621HF high frequency 622HFM highest frequency mode 623HFS hierarchical file system 624HID human interface device 625HKP HTTP Keyserver Protocol 626HLL high-level language 627HMA high memory area 628HMI human-machine interface 629HOOD hierarchical object oriented design 630HP Hewlett-Packard 631HPC high performance computing 632HPET high precision event timer 633HSM hardware security module 634HSM hierarchical storage management 635HT hyper-threading 636HTC hardware thermal control 637HTCC high temperature co-fired ceramic 638HTML HyperText Markup Language 639HTT hyper-threading technology 640HTTP Hypertext Transfer Protocol 641HTTPS Hypertext Transfer Protocol Secure 642HVM hardware virtual machine 643HVDS High-Voltage Differential Signaling 644HWASAN Hardware-assisted Address Sanitizer 645HZ Hertz 646I2O intelligent input/output 647IA information assurance 648IAAS infrastructure as a service 649IANA Internet Assigned Numbers Authority 650IBC iterated block cipher 651IBM International Business Machines 652IBS instruction based sampling 653IBSS independent basic service set 654IC integrated circuit 655ICA independent computer architecture 656ICB Internet Citizen's Band 657ICE in-circuit emulator 658ICE internal compiler error 659ICH I/O controller hub 660ICMP Internet Control Message Protocol 661ICT information and communications technology 662ICW initialization command word 663IDA Intel dynamic acceleration 664IDCMP Intuition direct communication message port 665IDE integrated development environment 666IDE integrated drive electronics 667IDPS intrusion detection [and] prevention system 668IDRP inter-domain routing protocol 669IDS intrusion detection system 670IDT interrupt descriptor table 671IE Internet Explorer 672IEC International Electrotechnical Commission 673IEEE Institute of Electrical and Electronics Engineers 674IESG Internet Engineering Steering Group 675IETF Internet Engineering Task Force 676IF intermediate frequency 677IFCM isochronous flow control mode 678IFF Interchange File Format 679IFS internal field separator 680IGD Internet gateway device 681IGMP Internet Group Management Protocol 682IGP interior gateway protocol 683IHV independent hardware vendor 684IKE Internet key exchange 685ILM internal loopback mode 686ILOM integrated lights-out management 687ILP instruction level parallelism 688IM instant messaging 689IMAP Internet Message Access Protocol 690IMC integrated memory controller 691IMCR interrupt mode configuration register 692IMR interrupt mask register 693IMS information management system 694IMSI international mobile subscriber identity 695INCITS InterNational Committee for Information Technology Standards 696IO input/output 697IOCTL input/output control 698IOM input/output managers 699IOMMU input/output memory management unit 700IOT Internet of Things 701IP Internet Protocol 702IP intellectual property 703IPC instructions per cycle 704IPC interprocess communication 705IPCF interprocess communication facility 706IPE integrated programming environment 707IPI intelligent peripheral interface 708IPI interprocessor interrupt 709IPL Initial Program Load 710IPL Interrupt Priority Level 711IPMB Intelligent Platform Management Bus 712IPMI Intelligent Platform Management Interface 713IPNG Internet Protocol, Next Generation 714IPS in-plane switching 715IPS intrusion prevention system 716IPSEC Internet Protocol Security 717IRC Internet Relay Chat 718IRDA infrared data association 719IRQ interrupt request 720IRQL interrupt request level 721IRR interrupt request register 722IRTF Internet Research Task Force 723IS information system 724ISA industry standard architecture 725ISA instruction set architecture 726ISE instant secure erase 727ISDN integrated services digital network 728ISI inter-symbol interference 729ISL initial system load 730ISM industrial, scientific, [and] medical 731ISN initial serial number 732ISO International Standards Organization 733ISOC Internet Society 734ISP Internet service provider 735ISR in-service register 736ISR interrupt service routine 737IST interrupt stack table 738ISV independent software vendor 739IT information technology 740ITB Intel Turbo Boost 741ITIL information technology infrastructure library 742ITP in-target probe 743ITSM IT service management 744IV initialization vector 745IVT interrupt vector table 746JBOD just a bunch of disks 747JCL Job Control Language 748JFET junction [gate] field-effect transistor 749JIT just in time 750JPEG Joint Photographic Experts Group 751JRE Java Runtime Environment 752JSON JavaScript Object Notation 753JTAG joint test action group 754KASLR kernel address space layout randomization 755KB keyboard 756KB kilobyte 757KBD keyboard 758KBD kilobaud 759KCS keyboard controller style 760KLOC thousand lines of code 761KMS kernel-mode setting 762KPI kernel programming interface 763KVA kernel virtual address 764KVM kernel virtual machine 765KVM kernel virtual memory 766KVM keyboard, video, [and] mouse 767L2CAP link layer control and adaptation protocol 768LAMP Linux Apache MySQL {Perl,PHP,Python} 769LAN local area network 770LAPIC local advanced programmable interrupt controller 771LAR load access rights 772LBA logical block addressing 773LBNF labeled backus-naur form 774LBS location-based service 775LCD liquid crystal display 776LCP link control protocol 777LDA local delivery agent 778LDAP Lightweight Directory Access Protocol 779LDR light-dependent resistor 780LDT local descriptor table 781LE logical extent 782LED light emitting diode 783LELL low energy link layer 784LER label edge router 785LF line feed 786LF low frequency 787LFM lowest frequency mode 788LFN long file names 789LFO low-frequency oscillation 790LFS log-structured file system 791LFU least frequently used 792LHP loop heat pipe 793LIF logical interchange format 794LIFO last in, first out 795LILO LInux LOader 796LILO last in, last out 797LINT local interrupt 798LIR local Internet registry 799LISP LISt Processor 800LISP Locator/ID Separation Protocol 801LKM {Linux,loadable} kernel module 802LKML Linux kernel mailing list 803LL load linked 804LL/SC load linked/store conditional 805LLC logical link control 806LLD low-level design 807LLDD low-level design document 808LLDP link layer discovery protocol 809LLF low level format 810LLMNR link-local multicast name resolution 811LLVM Low Level Virtual Machine 812LM long mode 813LMI local management interface 814LMM link management mode 815LMP link management protocol 816LNO loop nest optimization 817LOC lines of code 818LOM lights-out management 819LPE Linux performance events 820LPC low pin count 821LPS local positioning system 822LRC longitudinal redundancy check 823LRM left-to-right mark 824LRO left-to-right override 825LRU least recently used 826LS link state 827LSAN Leak Sanitizer 828LSB Linux standards base 829LSB least significant {bit,byte} 830LSI large scale integration 831LSL load segment limit 832LSM log structured merge 833LSN Large Scale NAT 834LSN log sequence number 835LSR label switch router 836LTCC low temperature co-fired ceramic 837LTO linear tape-open 838LTO link time optimization 839LTR left to right 840LTR load task register 841LTR letter(-sized paper) 842LTS long term support 843LUA Lua Uppercase Accident 844LUN logical unit number 845LV logical volume 846LVM logical volume management 847LVT local vector table 848LVDS Low-Voltage Differential Signaling 849LWP light-weight process 850LZSS Lempel Ziv Storer Szymanski 851LZW Lempel Ziv Welch 852MAC mandatory access control 853MAC {media,medium} access control 854MAC message authentication {check,code} 855MADT multiple APIC descriptor table 856MAMR microwave-assisted magnetic recording 857MB megabyte 858MBA multi-boot agent 859MBR master boot record 860MBS megabits per second 861MC memory controller 862MCA machine check architecture 863MCA MicroChannel architecture 864MCC multiversion concurrency control 865MCE machine check exception 866MCGA Multi-Color Graphics Array 867MCH memory controller hub 868MCM multi-chip module 869MCQ memory controlled queue 870MD machine-dependent 871MD-SAL model-driven service abstraction layer 872MDA mail delivery agent 873MDA Monochrome Display Adapter 874MDC Management Data Clock 875MDI Medium Dependent Interface 876MDI-X Medium Dependent Interface Crossover 877MDIO Management Data Input/Output 878MDMX MIPS Digital Media eXtension 879MDRAM multibank dynamic random access memory 880MESI modified, exclusive, shared, invalid 881MFC merge from current 882MFC Microsoft Foundation Classes 883MFM modified frequency modulation 884MFU most frequently used 885MGCP media gateway control protocol 886MI machine-independent 887MI machine interface 888MIB management information base 889MIC message integrity {check,code} 890MID mobile Internet device 891MIDI musical instrument digital interface 892MIF management information format 893MII media independent interface 894MIM man in the middle 895MIMD multiple instruction, multiple data 896MIME Multipurpose Internet Mail Extensions 897MIMO multiple input multiple output 898MIPS million instructions per second 899MIPS Microprocessor without Interlocked Pipeline Stages 900MISD multiple instruction, single data 901MIT Massachusetts Institute of Technology 902MITM man in the middle 903ML machine language 904ML machine learning 905ML mailing list 906ML markup language 907ML maximum likelihood 908MLC multi-level cell 909MLD multicast listener discovery 910MLHP micro loop heat pipe 911MMF multi-mode fiber 912MMIC monolithic microwave integrated circuit 913MMIO memory mapped input/output 914MMORPG massive multiplayer online role playing game 915MMU memory management unit 916MMX matrix math extension 917MMX multimedia extension 918MMX multiple math extension 919MO magneto-optical 920MOESI modified, owned, exclusive, shared, invalid 921MOF maximum operating frequency 922MOSFET metal-oxide-semiconductor field-effect transistor 923MOSI modified, owned, shared, invalid 924MP multi-platform 925MP multiplayer 926MP {multiprocessing,multiprocessor} 927MPEG moving picture experts group 928MPI message passing interface 929MPLS Multiprotocol Label Switching 930MPP massively parallel processor 931MPS memory pool system 932MPS multiprocessor specification 933MQTT Message Queuing Telemetry Transport 934MR modem ready 935MRO method resolution order 936MRU most recently used 937MS Microsoft 938MSAN Memory Sanitizer 939MSB most significant {bit,byte} 940MSC message sequence chart 941MSE mean square error 942MSF minutes seconds frames 943MSI message signaled interrupt 944MSI modified, shared, invalid 945MSR {machine state,model-specific} register 946MSS maximum segment size 947MSTP Multiple Spanning Tree Protocol 948MT machine translation 949MTA mail transfer agent 950MTBF mean time between failures 951MTP media transfer protocol 952MTRR memory type range register 953MTTF mean time to failure 954MTU maximum transmission unit 955MUA mail user agent 956MUD multi-user domain 957MVCC multiversion concurrency control 958MWE module width encoding 959MX mail exchange 960NACK negative acknowledgement 961NAK negative acknowledgement 962NAN not a number 963NAPT Network Address Port Translation 964NAS network attached storage 965NAT network address translation 966NAV network allocation vector 967NC numerical control 968NC-SI network controller sideband interface 969NCO numerically-controlled oscillator 970NCP Network Control Protocol 971NCSI network connectivity status indicator 972NCQ native command queuing 973ND neighbor discovery 974NDFA nondeterministic finite automaton 975NE numeric error 976NEWS Network extensible Window System 977NFA nondeterministic finite automaton 978NFC near-field communication 979NFCI no functional change intended 980NFS network file system 981NFV network function virtualization 982NIA next instruction address 983NIC network information center 984NIC network interface card 985NIDS network intrusion detection system 986NIP network interface protocol 987NIPS network intrusion prevention system 988NIS network information service 989NIST National Institute of Standards and Technology 990NLS native language support 991NMI non-maskable interrupt 992NNTP Network News Transfer Protocol 993NOC network operations center 994NOP no operation 995NOS network operating system 996NP nondeterministic polynomial time 997NRND not recommended for new designs 998NRZ non-return to zero 999NSA nation-state adversary 1000NSA no such agency 1001NSA National Security Agency 1002NTM non-deterministic Turing machine 1003NTP Network Time Protocol 1004NUMA non-uniform memory access 1005NVMM NetBSD Virtual Machine Monitor 1006NVMM non-volatile main memory 1007NVRAM non-volatile random access memory 1008NW not write-through 1009NX no execute 1010OAEP optimal asymmetric encryption padding 1011OAM operations, administration, and {management,maintenance} 1012OBO off by one 1013OBOE off by one error 1014OCL object constraint language 1015OCR optical character recognition 1016ODE offline device environment 1017ODM object data manager 1018ODCM on-demand clock modulation 1019ODT on-die termination 1020OEM original equipment manufacturer 1021OFB output feedback 1022OFDM orthogonal frequency division multiplexing 1023OFET organic field-effect transistor 1024OLAP online analytical processing 1025OLE object linking and embedding 1026OLTP online transaction processing 1027ONFI open nand flash interface 1028OO OpenOffice 1029OO object oriented 1030OOB out of band 1031OOE out of order execution 1032OOM out of memory 1033OOO OpenOffice.org 1034OOP object oriented programming 1035OOPS object oriented programming systems 1036OOSE object oriented software engineering 1037OPM operations per minute 1038OPS operations per second 1039OQL Object Query Language 1040ORB object request broker 1041ORM object-relational mapping 1042OS operating system 1043OSD open source definition 1044OSF open software foundation 1045OSI Open Source Initiative 1046OSI open systems interconnection 1047OSPF open shortest path first 1048OSPM OS power management 1049OSS open sound system 1050OSS open source software 1051OSVW operating system visible workarounds 1052OTP one time password 1053OTP open telecom platform 1054OU organizational unit 1055OUI organizationally unique identifier 1056OWL Web Ontology Language 1057P2P PCI to PCI 1058P2P peer to peer 1059PA phase accumulator 1060PA physical address 1061PAAS platform as a service 1062PAC phase-amplitude converter 1063PAE physical address extension 1064PAL phase alternating line 1065PAL programmable array logic 1066PAM pluggable authentication modules 1067PAM pulse amplitude modulation 1068PAP password authentication protocol 1069PAT page attribute table 1070PAT port address translation 1071PATA parallel ATA 1072PAX portable archive exchange 1073PBE pending break encoding 1074PBE programming by example 1075PC personal computer 1076PC program counter 1077PCB printed circuit board 1078PCB process control block 1079PCB Protocol Control Block 1080PCC Portable C Compiler 1081PCD page-level cache disable 1082PCE path computation element 1083PCE performance-monitor counter enable 1084PCEP Path Computation Element Protocol 1085PCH platform controller hub 1086PCI peripheral component interconnect 1087PCM phase change memory 1088PCM pulse code modulation 1089PCMCIA Personal Computer Memory Card International Association 1090PCP Port Control Protocol 1091PD public domain 1092PDA personal digital assistant 1093PDA pushdown automaton 1094PDAG propositional directed acyclic graph 1095PDB power distribution board 1096PDF portable document format 1097PDM pulse-duration modulation 1098PDN pull-down network 1099PDP page {descriptor,directory} page 1100PDS product data sheet 1101PDU protocol data unit 1102PE protection enable 1103PE provider edge 1104PEAP Protected EAP 1105PECI platform environment control interface 1106PEP protocol extension protocol 1107PER packed encoding rules 1108PFS perfect forward secrecy 1109PGAS partitioned global address space 1110PGE page global enable 1111PGP Pretty Good Privacy 1112PHB PCI host bridge 1113PHP PHP: Hypertext Preprocessor 1114PIC performance instrumentation counters 1115PIC position independent code 1116PIC programmable interrupt controller 1117PICNIC problem in chair, not in computer 1118PID process id 1119PIE position independent executable 1120PIL Priority Interrupt Level 1121PIM personal information manager 1122PIM platform-independent model 1123PIO programmed input/output 1124PIPT physically indexed, physically tagged 1125PIQ prefetch input queue 1126PIT programmable interrupt timer 1127PIV personal identity verification 1128PIX Private Internet eXchange 1129PKCS public-key cryptography standards 1130PKI public key infrastructure 1131PLC programmable logic controller 1132PLD programmable logic device 1133PLL phase locked loop 1134PLRU pseudo LRU 1135PLTM package level thermal management 1136PM power management 1137PM {phase,pulse} modulation 1138PMC performance monitoring counters 1139PME power management event 1140PMEG page map entry group 1141PMI performance monitoring infrastructure 1142PMI platform management interrupt 1143PMIC power management integrated circut 1144PMIO port-mapped input/output 1145PMT photo-multiplier tube 1146PMU performance monitoring units 1147PMU power management unit 1148PNG portable network graphics 1149PNP plug and play 1150POE power over ethernet 1151POF probability of failure 1152POP Post Office Protocol 1153POP power on password 1154POSIX Portable Operating System Interface [for Unix] 1155POST power on self test 1156POTS plain old telephone system 1157POWER Performance Optimization With Enhanced RISC 1158POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1159PP pair programming 1160PPB PCI [to] PCI bridge 1161PPC PowerPC 1162PPC Power Performance Computing 1163PPI pixels per inch 1164PPM pages per minute 1165PPP Point-to-Point Protocol 1166PPPOA Point-to-Point Protocol over ATM 1167PPPOE Point-to-Point Protocol over Ethernet 1168PPU physics processing unit 1169PRAM Parameter RAM 1170PRBS pseudorandom bit sequence 1171PRG pseudorandom generator 1172PRF pseudorandom function [family] 1173PRML partial response, maximum likelihood 1174PRN pseudorandom {noise,number} 1175PRNG pseudorandom number generator 1176PROM programmable read only memory 1177PRP pseudorandom permutation 1178PRU Programmable Realtime Unit 1179PS PostScript 1180PSD power spectral density 1181PSE page size extensions 1182PSK phase shift keying 1183PSK pre-shared key 1184PSTN public switched telephone network 1185PSW program status word 1186PTE page table entry 1187PTLA pseudo top level aggregator 1188PTP page table page 1189PTV perceived target value 1190PU processing unit 1191PUC personal unblocking code 1192PUN physical unit number 1193PV physical volume 1194PVC permanent virtual circuit 1195PVG physical volume group 1196PVI protected-mode virtual interrupt 1197PVST Per-VLAN Spanning Tree 1198PWM pulse width modulation 1199PXE preboot execution environment 1200QA quality assurance 1201QAM quadrature amplitude modulation 1202QAM quality assurance management 1203QBE query by example 1204QC quality control 1205QDI quasi delay insensitive 1206QCIF quarter common intermediate format 1207QOS quality of service 1208QVL qualified vendor list 1209R/O read only 1210R/W read/write 1211RA receiver address 1212RA remote assistance 1213RA resource affinity 1214RA router advertisement 1215RAD rapid application development 1216RAID redundant array of {independent,inexpensive} disks 1217RAM random access memory 1218RAS reliability, availability and serviceability 1219RAS remote access service 1220RAS restartable atomic sequence 1221RAS row address strobe 1222RBF radial basis function 1223RBNF routing backus-naur form 1224RBT red-black tree 1225RC release candidate 1226RC remote control 1227RC run commands 1228RCS Revision Control System 1229RCS revision control system 1230RCU read, copy, update 1231RDB Rigid Disk Block 1232RDBMS relational database management system 1233RDF Resource Description Framework 1234RDM relational data model 1235RDMA remote direct memory access 1236RDRAM Rambus DRAM 1237RE regular expression 1238REST representational state transfer 1239RF radio frequency 1240RFI radio frequency interference 1241RFO request for ownership 1242RFU reserved for future use 1243RGB red green blue 1244RGBA red green blue alpha 1245RGMII reduced gigabit media independent interface 1246RH read hit 1247RHEL Red Hat Enterprise Linux 1248RHL Red Hat Linux 1249RIB routing information base 1250RIFF Resource Interchange File Format 1251RIP Raster Image Processor 1252RIP Routing Information Protocol 1253RIR regional Internet registry 1254RISC reduced instruction set {computer,computing} 1255RKM ROM Kernel Manual 1256RLE run length encoding 1257RLL run length limited 1258RLO right-to-left override 1259RM read miss 1260RMCP Remote Management Control Protocol 1261RMI remote method invocation 1262RMO Relaxed Memory Ordering 1263RMPM rapid memory power management 1264RMS root mean square 1265RMW read, modify, write 1266RNG random number generator 1267ROM read only memory 1268RPC remote procedure call 1269RPKI resource PKI 1270RPL requested privilege level 1271RPM revolutions per minute 1272RPN reverse Polish notation 1273RPVST Rapid Per-VLAN Spanning Tree 1274RR random replacement 1275RR round robin 1276RS relay station 1277RSA Rivest, Shamir, [and] Adleman 1278RSIP Realm Specific IP 1279RSN Robust Secure Network 1280RSS really simple syndication 1281RSS residual sum of squares 1282RSTP Rapid Spanning Tree Protocol 1283RT real time 1284RTC real time clock 1285RTC real time computing 1286RTF rich text format 1287RTL register transfer language 1288RTL resistor-transistor logic 1289RTL right to left 1290RTOS real time operating system 1291RTS request to send 1292RTT round trip time 1293RUP rational unified process 1294RW Rabin-Williams 1295RWM read-write memory 1296RX {receive,receiver} 1297S/PDIF Sony/Philips Digital Interface Format 1298SA security advisory 1299SA security association 1300SA source address 1301SA structured analysis 1302SAAS software as a service 1303SACD super audio compact disc 1304SAD security association database 1305SAL {service,system} abstraction layer 1306SAM serial access memory 1307SAM sum addressed memory 1308SAML security assertion markup language 1309SAN storage area network 1310SAP service access point 1311SAPIC streamlined advanced programmable interrupt controller 1312SASD structured analysis, structured design 1313SASI Shugart Associates System Interface 1314SASL simple authentication [and] security layer 1315SATA serial advanced technology attachment 1316SAX simple API for XML 1317SB sound blaster 1318SBU standard build unit 1319SC store conditional 1320SCA source code analyzer 1321SCADA supervisory control and data acquisition 1322SCC single chip cloud 1323SCC source code control 1324SCCS Source Code Control System 1325SCI scalable coherent interface 1326SCI system control interrupt 1327SCM software configuration management 1328SCM source code management 1329SCM storage-class memory 1330SCO synchronous connection orientated 1331SCP secure copy 1332SCSI Small Computer System Interface 1333SCTP Stream Control Transmission Protocol 1334SDEI software delegated exception interface 1335SDI symbol deinterleave 1336SDK software development kit 1337SDL Simple Declarative Language 1338SDL Simple Direct-media Layer 1339SDLC {software,system,systems} development life cycle 1340SDN software defined networking 1341SDP Session Description Protocol 1342SDRAM synchronous dynamic random access memory 1343SDS software defined storage 1344SDT syntax-directed translation 1345SEA synchronous external abort 1346SEGV segmentation violation 1347SED self-encrypting drive 1348SED stream editor 1349SEO search engine optimization 1350SES SCSI enclosure services 1351SFC sequential function chart 1352SFI simple firmware interface 1353SFI software fault isolation 1354SFTP SSH File Transfer Protocol 1355SFTP Serial File Transfer Protocol 1356SFTP Simple File Transfer Protocol 1357SGMII serial gigabit media independent interface 1358SGRAM synchronous graphics random access memory 1359SHA secure hash algorithm 1360SIDH supersingular isogeny Diffie-Hellman 1361SIEM security information and event management 1362SIF source input format 1363SIFS short inter-frame space 1364SIM subscriber identity module 1365SIMD single instruction, multiple data 1366SIMM single inline memory module 1367SIP Session Initiation Protocol 1368SIR signal-to-interference ratio 1369SIR slow infrared 1370SISD single instruction, single data 1371SLAAC stateless address auto-configuration 1372SLC single-level cell 1373SLDRAM synchronous-link dynamic random access memory 1374SLED single large expensive disk 1375SLI scalable link interface 1376SLI scan-line interleave 1377SLIC system license internal code 1378SLOC source lines of code 1379SLRU segmented LRU 1380SMA smart memory access 1381SMAF system management action field 1382SMAP Simple Mail Access Protocol 1383SMAP supervisor mode access prevention 1384SMART self-monitoring analysis and reporting technology 1385SMB Server Message Block 1386SMB system management bus 1387SMBIOS System Management BIOS 1388SMC system management controller 1389SMD storage module device 1390SMEP supervisor mode execution protection 1391SMF single mode fiber 1392SMI structure of management information 1393SMI system management interrupt 1394SMM system management mode 1395SMP serial management protocol 1396SMP symmetric multiprocessing 1397SMT simultaneous multithreading 1398SMTP Simple Mail Transfer Protocol 1399SMU system management unit 1400SNA systems network architecture 1401SNAP Sub-Network Access Protocol 1402SNIA Storage Networking Industry Association 1403SNMP Simple Network Management Protocol 1404SNR signal-to-noise ratio 1405SOA service oriented architecture 1406SOAP Simple Object Access Protocol 1407SOC system on chip 1408SOF start of frame 1409SOH start of header 1410SOHO small office/home office 1411SOL serial over LAN 1412SOM system on module 1413SP service pack 1414SP stack pointer 1415SPA storage pool allocator 1416SPARC scalable processor architecture 1417SPARQL SPARQL Protocol and RDF Query Language 1418SPD security policy database 1419SPD serial presence detect 1420SPDIF Sony/Philips digital interface format 1421SPI serial peripheral interface 1422SPI stateful packet inspection 1423SPL system interrupt priority level 1424SPL spinlock 1425SPMD single process, multiple data 1426SPR special purpose register 1427SPT sectors per track 1428SQA software quality assurance 1429SQCIF sub quarter common intermediate format 1430SQL Structured Query Language 1431SRAM static random access memory 1432SRC sample rate conversion 1433SRP SCSI RDMA protocol 1434SS self-snoop 1435SS stack segment 1436SSA static single assignment 1437SSAP source service access point 1438SSB single-sideband modulation 1439SSD solid state drive 1440SSE streaming SIMD extensions 1441SSFDC solid state floppy disc card 1442SSH secure shell 1443SSI server side includes 1444SSID service set identifier 1445SSL secure sockets layer 1446SSP stack smashing protection 1447STC software thermal control 1448STD state transition diagram 1449STOMP Streaming Text Oriented Messaging Protocol 1450STP Spanning Tree Protocol 1451STP shielded twisted pair 1452SUN Stanford University Network 1453SUS Single Unix Specification 1454SUT system under test 1455SVC switched virtual circuit 1456SVG scalable vector graphics 1457SVGA Super Video Graphics Array 1458SVI {switch,switched} virtual interface 1459SVM secure virtual machine 1460SVM support vector machine 1461SVR System V Release 1462SVS Separate Virtual Space 1463SWF Shockwave Flash 1464SWIG simplified wrapper [and] interface generator 1465SYR symbol timing recovery 1466TA test assertion 1467TA transmitter address 1468TAI international atomic time 1469TAO track at once 1470TAOCP The Art of Computer Programming 1471TAP Test Anything Protocol 1472TAS test and set 1473TB terabyte 1474TBNF transitional backus-naur form 1475TCB trace capture buffer 1476TCB trusted computing base 1477TCC thermal control circuit 1478TCL tool command language 1479TCP Transmission Control Protocol 1480TCQ tagged command queueing 1481TDC time [to] digital converter 1482TDD test-driven development 1483TDD time division duplex 1484TDM time division multiplexing 1485TDMA time division multiple access 1486TDOA time difference of arrival 1487TDP thermal design {point,power} 1488TECO Text Editor and Corrector 1489TFT thin film transistor 1490TFTP Trivial File Transfer Protocol 1491TIAS try it and see 1492TIFF tagged image file format 1493TITS try it to see 1494TK temporal key 1495TKIP Temporal Key Integrity Protocol 1496TLA top level aggregator 1497TLB translation lookaside buffer 1498TLD top level domain 1499TLER time-limited error recovery 1500TLI transport layer interface 1501TLS thread local storage 1502TLS transport layer security 1503TM Turing machine 1504TM thermal monitor 1505TMG transmogrifier 1506TMDS transition minimized differential signaling 1507TMO timeout 1508TOD time of day 1509TOS terms of service 1510TOS trusted operating system 1511TOS type of service 1512TP transaction processing 1513TPI tracks per inch 1514TPM transactions per minute 1515TPM trusted platform module 1516TPR task priority register 1517TPS transactions per second 1518TPS transmission parameters signaling 1519TR task register 1520TR token ring 1521TRL timing recovery loop 1522TRNG true random number generator 1523TS terminal services 1524TS time series 1525TS time stamp 1526TS transport stream 1527TSAN Thread Sanitizer 1528TSC time stamp counter 1529TSD time stamp disable 1530TSDB time series database 1531TSL test, set, lock 1532TSO time sharing option 1533TSO Total Store Ordering 1534TSP Time-Stamp Protocol 1535TSP Tunnel Setup Protocol 1536TSP time synchronization protocol 1537TSP traveling salesman problem 1538TSS task state segment 1539TTL time to live 1540TTL transistor-transistor logic 1541TTM translation table maps 1542TTY teletype 1543TUI {terminal,text-based,textual} user interface 1544TX {transmit out,transmitter} 1545TXG transaction group 1546TZ time zone 1547UAC user {access,account} control 1548UAF use-after-free 1549UART universal asynchronous receiver/transmitter 1550UAT user acceptance testing 1551UB undefined behavior 1552UBSAN Undefined Behavior Sanitizer 1553UC uncacheable 1554UCS uniform-cost search 1555UCS unified computing system 1556UCS universal coded character set 1557UDMA ultra DMA 1558UDO ultra density optical 1559UDP User Datagram Protocol 1560UEFI unified extensible firmware interface 1561UFS Unix File System 1562UGA universal graphics adapter 1563UI unit interval 1564UI user interface 1565UICC universal integrated circuit card 1566UID unique identifier 1567UID user identifier 1568UL upload 1569UMA uniform memory access 1570UMA upper memory area 1571UMB upper memory block 1572UML unified modeling language 1573UMPC ultra-mobile PC 1574UPNP universal plug and play 1575UPS uninterruptible power supply 1576URI uniform resource identifier 1577URL uniform resource locator 1578URN uniform resource name 1579USART universal synchronous/asynchronous receiver/transmitter 1580USB universal serial bus 1581USWC uncacheable speculative write combining 1582UT unit test 1583UTC coordinated universal time 1584UTF unicode transformation formats 1585UTP unshielded twisted pair 1586UUCP Unix-to-Unix Copy Protocol 1587UUID universally unique identifier 1588UUOC useless use of cat 1589UUT unit under test 1590UX user experience 1591VA vertical alignment 1592VA virtual address 1593VA volt-ampere 1594VAX virtual address extension 1595VB Visual Basic 1596VCA variable-gain amplifier 1597VCC common collector voltage 1598VCCP virtual chassis control protocol 1599VCF voltage-controlled filter 1600VCM virtual channel memory 1601VCO voltage-controlled oscillator 1602VCP virtual chassis port 1603VCS version control system 1604VESA Video Electronics Standards Association 1605VFO variable-frequency oscillator 1606VFS virtual file system 1607VG volume group 1608VGA Video Graphics Array 1609VHDCI very high density cable interconnect 1610VID {VLAN,voltage level} identifier 1611VIM Vi IMproved 1612VIPT virtually indexed, physically tagged 1613VIVT virtually indexed, virtually tagged 1614VLAN virtual local area network 1615VLIW very long instruction word 1616VLSI very large scale integration 1617VLSM variable length subnet mask 1618VM virtual {machine,memory} 1619VME virtual mode extension 1620VMX vector multimedia extensions 1621VMX virtual machine extensions 1622VOD video on demand 1623VPD vital product data 1624VPN virtual private network 1625VPWS virtual private wire service 1626VR virtual reality 1627VRAM video random access memory 1628VRF virtual routing and forwarding 1629VRM voltage regulator module 1630VROC Virtual RAID On CPU 1631VRRP Virtual Router Redundancy Protocol 1632VSTP VLAN Spanning Tree Protocol 1633VTP VLAN Trunking Protocol 1634VXFS Veritas file sytem 1635VXVM Veritas volume manager 1636W watt 1637W3C World Wide Web Consortium 1638WAFL write anywhere file layout 1639WAMP Web Application Messaging Protocol 1640WAN wide area network 1641WAP Wireless Application Protocol 1642WAP wireless access point 1643WDM Windows Driver Model 1644WDDM Windows Display Driver Model 1645WDT watchdog timer 1646WEP Wired Equivalent Privacy 1647WFI wait for interrupt 1648WFQ weighted fair queuing 1649WH write hit 1650WIFI wireless fidelity 1651WLAN wireless local area network 1652WM write miss 1653WMI Windows Management Instrumentation 1654WOL Wake-on-LAN 1655WOM Wake-on-Modem 1656WOR Wake-on-Ring 1657WORM write once read many 1658WP WordPerfect 1659WP word processor 1660WP write protect 1661WPA Wi-Fi Protected Access 1662WPA2 Wi-Fi Protected Access II 1663WPS Wi-Fi Protected Setup 1664WRAM window random access memory 1665WS web services 1666WTC write through caching 1667WWAN wireless wide area network 1668WWW world wide web 1669WYSIAYG what you see is all you get 1670WYSIWYG what you see is what you get 1671XBAR crossbar 1672XDMCP X Display Manager control protocol 1673XER XML encoding rules 1674XGA Extended Graphics Array 1675XHR XMLHttpRequest 1676XIP execute in place 1677XML Extensible Markup Language 1678XNA XNA's not acronymed 1679XNS Xerox network systems 1680XOR exclusive or 1681XP extreme programming 1682XSI X/Open System Interface 1683XSL extensible stylesheet language 1684XSS cross site scripting 1685XT extended technology 1686XTI X/Open transport interface 1687XUL XML user interface language 1688YACC yet another compiler compiler 1689YAML YAML ain't markup language 1690YANG yet another next generation 1691YAWPFAPR you are welcome; please file a problem report 1692YP Yellow Pages 1693YTD year to date 1694ZAP ZFS attribute processor 1695ZBR zone bit recording 1696ZFOD zero-filled on demand 1697ZFS zettabyte file system 1698ZIF zero insertion force 1699ZIFS zero insertion force socket 1700ZIL ZFS intent log 1701ZMA zone multicast address 1702ZOI zero one infinity 1703ZOI zone of influence 1704ZPL ZFS Posix layer 1705ZVOL ZFS Volume 1706