acronyms.comp revision 1.263
1$NetBSD: acronyms.comp,v 1.263 2019/06/08 13:13:01 pgoyette 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 935MRU most recently used 936MS Microsoft 937MSAN Memory Sanitizer 938MSB most significant {bit,byte} 939MSC message sequence chart 940MSE mean square error 941MSF minutes seconds frames 942MSI message signaled interrupt 943MSI modified, shared, invalid 944MSR {machine state,model-specific} register 945MSS maximum segment size 946MSTP Multiple Spanning Tree Protocol 947MT machine translation 948MTA mail transfer agent 949MTBF mean time between failures 950MTP media transfer protocol 951MTRR memory type range register 952MTTF mean time to failure 953MTU maximum transmission unit 954MUA mail user agent 955MUD multi-user domain 956MVCC multiversion concurrency control 957MWE module width encoding 958MX mail exchange 959NACK negative acknowledgement 960NAK negative acknowledgement 961NAN not a number 962NAPT Network Address Port Translation 963NAS network attached storage 964NAT network address translation 965NAV network allocation vector 966NC numerical control 967NC-SI network controller sideband interface 968NCO numerically-controlled oscillator 969NCP Network Control Protocol 970NCSI network connectivity status indicator 971NCQ native command queuing 972ND neighbor discovery 973NDFA nondeterministic finite automaton 974NE numeric error 975NEWS Network extensible Window System 976NFA nondeterministic finite automaton 977NFC near-field communication 978NFCI no functional change intended 979NFS network file system 980NFV network function virtualization 981NIA next instruction address 982NIC network information center 983NIC network interface card 984NIDS network intrusion detection system 985NIP network interface protocol 986NIPS network intrusion prevention system 987NIS network information service 988NIST National Institute of Standards and Technology 989NLS native language support 990NMI non-maskable interrupt 991NNTP Network News Transfer Protocol 992NOC network operations center 993NOP no operation 994NOS network operating system 995NP nondeterministic polynomial time 996NRND not recommended for new designs 997NRZ non-return to zero 998NSA nation-state adversary 999NSA no such agency 1000NSA National Security Agency 1001NTM non-deterministic Turing machine 1002NTP Network Time Protocol 1003NUMA non-uniform memory access 1004NVMM NetBSD Virtual Machine Monitor 1005NVMM non-volatile main memory 1006NVRAM non-volatile random access memory 1007NW not write-through 1008NX no execute 1009OAEP optimal asymmetric encryption padding 1010OAM operations, administration, and {management,maintenance} 1011OBO off by one 1012OBOE off by one error 1013OCL object constraint language 1014OCR optical character recognition 1015ODE offline device environment 1016ODM object data manager 1017ODCM on-demand clock modulation 1018ODT on-die termination 1019OEM original equipment manufacturer 1020OFB output feedback 1021OFDM orthogonal frequency division multiplexing 1022OFET organic field-effect transistor 1023OLAP online analytical processing 1024OLE object linking and embedding 1025OLTP online transaction processing 1026ONFI open nand flash interface 1027OO OpenOffice 1028OO object oriented 1029OOB out of band 1030OOE out of order execution 1031OOM out of memory 1032OOO OpenOffice.org 1033OOP object oriented programming 1034OOPS object oriented programming systems 1035OOSE object oriented software engineering 1036OPM operations per minute 1037OPS operations per second 1038OQL Object Query Language 1039ORB object request broker 1040ORM object-relational mapping 1041OS operating system 1042OSD open source definition 1043OSF open software foundation 1044OSI Open Source Initiative 1045OSI open systems interconnection 1046OSPF open shortest path first 1047OSPM OS power management 1048OSS open sound system 1049OSS open source software 1050OSVW operating system visible workarounds 1051OTP one time password 1052OTP open telecom platform 1053OU organizational unit 1054OUI organizationally unique identifier 1055OWL Web Ontology Language 1056P2P PCI to PCI 1057P2P peer to peer 1058PA phase accumulator 1059PA physical address 1060PAAS platform as a service 1061PAC phase-amplitude converter 1062PAE physical address extension 1063PAL phase alternating line 1064PAL programmable array logic 1065PAM pluggable authentication modules 1066PAM pulse amplitude modulation 1067PAP password authentication protocol 1068PAT page attribute table 1069PAT port address translation 1070PATA parallel ATA 1071PAX portable archive exchange 1072PBE pending break encoding 1073PBE programming by example 1074PC personal computer 1075PC program counter 1076PCB printed circuit board 1077PCB process control block 1078PCB Protocol Control Block 1079PCC Portable C Compiler 1080PCD page-level cache disable 1081PCE path computation element 1082PCE performance-monitor counter enable 1083PCEP Path Computation Element Protocol 1084PCH platform controller hub 1085PCI peripheral component interconnect 1086PCM phase change memory 1087PCM pulse code modulation 1088PCMCIA Personal Computer Memory Card International Association 1089PCP Port Control Protocol 1090PD public domain 1091PDA personal digital assistant 1092PDA pushdown automaton 1093PDAG propositional directed acyclic graph 1094PDB power distribution board 1095PDF portable document format 1096PDM pulse-duration modulation 1097PDN pull-down network 1098PDP page {descriptor,directory} page 1099PDS product data sheet 1100PDU protocol data unit 1101PE protection enable 1102PE provider edge 1103PEAP Protected EAP 1104PECI platform environment control interface 1105PEP protocol extension protocol 1106PER packed encoding rules 1107PFS perfect forward secrecy 1108PGAS partitioned global address space 1109PGE page global enable 1110PGP Pretty Good Privacy 1111PHB PCI host bridge 1112PHP PHP: Hypertext Preprocessor 1113PIC performance instrumentation counters 1114PIC position independent code 1115PIC programmable interrupt controller 1116PICNIC problem in chair, not in computer 1117PID process id 1118PIE position independent executable 1119PIL Priority Interrupt Level 1120PIM personal information manager 1121PIM platform-independent model 1122PIO programmed input/output 1123PIPT physically indexed, physically tagged 1124PIQ prefetch input queue 1125PIT programmable interrupt timer 1126PIV personal identity verification 1127PIX Private Internet eXchange 1128PKCS public-key cryptography standards 1129PKI public key infrastructure 1130PLC programmable logic controller 1131PLD programmable logic device 1132PLL phase locked loop 1133PLRU pseudo LRU 1134PLTM package level thermal management 1135PM power management 1136PM {phase,pulse} modulation 1137PMC performance monitoring counters 1138PME power management event 1139PMEG page map entry group 1140PMI performance monitoring infrastructure 1141PMI platform management interrupt 1142PMIC power management integrated circut 1143PMIO port-mapped input/output 1144PMT photo-multiplier tube 1145PMU performance monitoring units 1146PMU power management unit 1147PNG portable network graphics 1148PNP plug and play 1149POE power over ethernet 1150POF probability of failure 1151POP Post Office Protocol 1152POP power on password 1153POSIX Portable Operating System Interface [for Unix] 1154POST power on self test 1155POTS plain old telephone system 1156POWER Performance Optimization With Enhanced RISC 1157POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1158PP pair programming 1159PPB PCI [to] PCI bridge 1160PPC PowerPC 1161PPC Power Performance Computing 1162PPI pixels per inch 1163PPM pages per minute 1164PPP Point-to-Point Protocol 1165PPPOA Point-to-Point Protocol over ATM 1166PPPOE Point-to-Point Protocol over Ethernet 1167PPU physics processing unit 1168PRAM Parameter RAM 1169PRBS pseudorandom bit sequence 1170PRG pseudorandom generator 1171PRF pseudorandom function [family] 1172PRML partial response, maximum likelihood 1173PRN pseudorandom {noise,number} 1174PRNG pseudorandom number generator 1175PROM programmable read only memory 1176PRP pseudorandom permutation 1177PRU Programmable Realtime Unit 1178PS PostScript 1179PSD power spectral density 1180PSE page size extensions 1181PSK phase shift keying 1182PSK pre-shared key 1183PSTN public switched telephone network 1184PSW program status word 1185PTE page table entry 1186PTLA pseudo top level aggregator 1187PTP page table page 1188PTV perceived target value 1189PU processing unit 1190PUC personal unblocking code 1191PUN physical unit number 1192PV physical volume 1193PVC permanent virtual circuit 1194PVG physical volume group 1195PVI protected-mode virtual interrupt 1196PVST Per-VLAN Spanning Tree 1197PWM pulse width modulation 1198PXE preboot execution environment 1199QA quality assurance 1200QAM quadrature amplitude modulation 1201QAM quality assurance management 1202QBE query by example 1203QC quality control 1204QDI quasi delay insensitive 1205QCIF quarter common intermediate format 1206QOS quality of service 1207QVL qualified vendor list 1208R/O read only 1209R/W read/write 1210RA receiver address 1211RA remote assistance 1212RA resource affinity 1213RA router advertisement 1214RAD rapid application development 1215RAID redundant array of {independent,inexpensive} disks 1216RAM random access memory 1217RAS reliability, availability and serviceability 1218RAS remote access service 1219RAS restartable atomic sequence 1220RAS row address strobe 1221RBF radial basis function 1222RBNF routing backus-naur form 1223RBT red-black tree 1224RC release candidate 1225RC remote control 1226RC run commands 1227RCS Revision Control System 1228RCS revision control system 1229RCU read, copy, update 1230RDB Rigid Disk Block 1231RDBMS relational database management system 1232RDF Resource Description Framework 1233RDM relational data model 1234RDMA remote direct memory access 1235RDRAM Rambus DRAM 1236RE regular expression 1237REST representational state transfer 1238RF radio frequency 1239RFI radio frequency interference 1240RFO request for ownership 1241RFU reserved for future use 1242RGB red green blue 1243RGBA red green blue alpha 1244RGMII reduced gigabit media independent interface 1245RH read hit 1246RHEL Red Hat Enterprise Linux 1247RHL Red Hat Linux 1248RIB routing information base 1249RIFF Resource Interchange File Format 1250RIP Raster Image Processor 1251RIP Routing Information Protocol 1252RIR regional Internet registry 1253RISC reduced instruction set {computer,computing} 1254RKM ROM Kernel Manual 1255RLE run length encoding 1256RLL run length limited 1257RLO right-to-left override 1258RM read miss 1259RMCP Remote Management Control Protocol 1260RMI remote method invocation 1261RMO Relaxed Memory Ordering 1262RMPM rapid memory power management 1263RMS root mean square 1264RMW read, modify, write 1265RNG random number generator 1266ROM read only memory 1267RPC remote procedure call 1268RPKI resource PKI 1269RPL requested privilege level 1270RPM revolutions per minute 1271RPN reverse Polish notation 1272RPVST Rapid Per-VLAN Spanning Tree 1273RR random replacement 1274RR round robin 1275RS relay station 1276RSA Rivest, Shamir, [and] Adleman 1277RSIP Realm Specific IP 1278RSN Robust Secure Network 1279RSS really simple syndication 1280RSS residual sum of squares 1281RSTP Rapid Spanning Tree Protocol 1282RT real time 1283RTC real time clock 1284RTC real time computing 1285RTF rich text format 1286RTL register transfer language 1287RTL resistor-transistor logic 1288RTL right to left 1289RTOS real time operating system 1290RTS request to send 1291RTT round trip time 1292RUP rational unified process 1293RW Rabin-Williams 1294RWM read-write memory 1295RX {receive,receiver} 1296S/PDIF Sony/Philips Digital Interface Format 1297SA security advisory 1298SA security association 1299SA source address 1300SA structured analysis 1301SAAS software as a service 1302SACD super audio compact disc 1303SAD security association database 1304SAL {service,system} abstraction layer 1305SAM serial access memory 1306SAM sum addressed memory 1307SAML security assertion markup language 1308SAN storage area network 1309SAP service access point 1310SAPIC streamlined advanced programmable interrupt controller 1311SASD structured analysis, structured design 1312SASI Shugart Associates System Interface 1313SASL simple authentication [and] security layer 1314SATA serial advanced technology attachment 1315SAX simple API for XML 1316SB sound blaster 1317SBU standard build unit 1318SC store conditional 1319SCA source code analyzer 1320SCADA supervisory control and data acquisition 1321SCC single chip cloud 1322SCC source code control 1323SCCS Source Code Control System 1324SCI scalable coherent interface 1325SCI system control interrupt 1326SCM software configuration management 1327SCM source code management 1328SCM storage-class memory 1329SCO synchronous connection orientated 1330SCP secure copy 1331SCSI Small Computer System Interface 1332SCTP Stream Control Transmission Protocol 1333SDEI software delegated exception interface 1334SDI symbol deinterleave 1335SDK software development kit 1336SDL Simple Declarative Language 1337SDL Simple Direct-media Layer 1338SDLC {software,system,systems} development life cycle 1339SDN software defined networking 1340SDP Session Description Protocol 1341SDRAM synchronous dynamic random access memory 1342SDS software defined storage 1343SDT syntax-directed translation 1344SEA synchronous external abort 1345SEGV segmentation violation 1346SED self-encrypting drive 1347SED stream editor 1348SEO search engine optimization 1349SES SCSI enclosure services 1350SFC sequential function chart 1351SFI simple firmware interface 1352SFI software fault isolation 1353SFTP SSH File Transfer Protocol 1354SFTP Serial File Transfer Protocol 1355SFTP Simple File Transfer Protocol 1356SGMII serial gigabit media independent interface 1357SGRAM synchronous graphics random access memory 1358SHA secure hash algorithm 1359SIDH supersingular isogeny Diffie-Hellman 1360SIEM security information and event management 1361SIF source input format 1362SIFS short inter-frame space 1363SIM subscriber identity module 1364SIMD single instruction, multiple data 1365SIMM single inline memory module 1366SIP Session Initiation Protocol 1367SIR signal-to-interference ratio 1368SIR slow infrared 1369SISD single instruction, single data 1370SLAAC stateless address auto-configuration 1371SLC single-level cell 1372SLDRAM synchronous-link dynamic random access memory 1373SLED single large expensive disk 1374SLI scalable link interface 1375SLI scan-line interleave 1376SLIC system license internal code 1377SLOC source lines of code 1378SLRU segmented LRU 1379SMA smart memory access 1380SMAF system management action field 1381SMAP Simple Mail Access Protocol 1382SMAP supervisor mode access prevention 1383SMART self-monitoring analysis and reporting technology 1384SMB Server Message Block 1385SMB system management bus 1386SMBIOS System Management BIOS 1387SMC system management controller 1388SMD storage module device 1389SMEP supervisor mode execution protection 1390SMF single mode fiber 1391SMI structure of management information 1392SMI system management interrupt 1393SMM system management mode 1394SMP serial management protocol 1395SMP symmetric multiprocessing 1396SMT simultaneous multithreading 1397SMTP Simple Mail Transfer Protocol 1398SMU system management unit 1399SNA systems network architecture 1400SNAP Sub-Network Access Protocol 1401SNIA Storage Networking Industry Association 1402SNMP Simple Network Management Protocol 1403SNR signal-to-noise ratio 1404SOA service oriented architecture 1405SOAP Simple Object Access Protocol 1406SOC system on chip 1407SOF start of frame 1408SOH start of header 1409SOHO small office/home office 1410SOL serial over LAN 1411SOM system on module 1412SP service pack 1413SP stack pointer 1414SPA storage pool allocator 1415SPARC scalable processor architecture 1416SPARQL SPARQL Protocol and RDF Query Language 1417SPD security policy database 1418SPD serial presence detect 1419SPDIF Sony/Philips digital interface format 1420SPI serial peripheral interface 1421SPI stateful packet inspection 1422SPL system interrupt priority level 1423SPL spinlock 1424SPMD single process, multiple data 1425SPR special purpose register 1426SPT sectors per track 1427SQA software quality assurance 1428SQCIF sub quarter common intermediate format 1429SQL Structured Query Language 1430SRAM static random access memory 1431SRC sample rate conversion 1432SRP SCSI RDMA protocol 1433SS self-snoop 1434SS stack segment 1435SSA static single assignment 1436SSAP source service access point 1437SSB single-sideband modulation 1438SSD solid state drive 1439SSE streaming SIMD extensions 1440SSFDC solid state floppy disc card 1441SSH secure shell 1442SSI server side includes 1443SSID service set identifier 1444SSL secure sockets layer 1445SSP stack smashing protection 1446STC software thermal control 1447STD state transition diagram 1448STOMP Streaming Text Oriented Messaging Protocol 1449STP Spanning Tree Protocol 1450STP shielded twisted pair 1451SUN Stanford University Network 1452SUS Single Unix Specification 1453SUT system under test 1454SVC switched virtual circuit 1455SVG scalable vector graphics 1456SVGA Super Video Graphics Array 1457SVI {switch,switched} virtual interface 1458SVM secure virtual machine 1459SVM support vector machine 1460SVR System V Release 1461SVS Separate Virtual Space 1462SWF Shockwave Flash 1463SWIG simplified wrapper [and] interface generator 1464SYR symbol timing recovery 1465TA test assertion 1466TA transmitter address 1467TAI international atomic time 1468TAO track at once 1469TAOCP The Art of Computer Programming 1470TAP Test Anything Protocol 1471TAS test and set 1472TB terabyte 1473TBNF transitional backus-naur form 1474TCB trace capture buffer 1475TCB trusted computing base 1476TCC thermal control circuit 1477TCL tool command language 1478TCP Transmission Control Protocol 1479TCQ tagged command queueing 1480TDC time [to] digital converter 1481TDD test-driven development 1482TDD time division duplex 1483TDM time division multiplexing 1484TDMA time division multiple access 1485TDOA time difference of arrival 1486TDP thermal design {point,power} 1487TECO Text Editor and Corrector 1488TFT thin film transistor 1489TFTP Trivial File Transfer Protocol 1490TIAS try it and see 1491TIFF tagged image file format 1492TITS try it to see 1493TK temporal key 1494TKIP Temporal Key Integrity Protocol 1495TLA top level aggregator 1496TLB translation lookaside buffer 1497TLD top level domain 1498TLER time-limited error recovery 1499TLI transport layer interface 1500TLS thread local storage 1501TLS transport layer security 1502TM Turing machine 1503TM thermal monitor 1504TMG transmogrifier 1505TMDS transition minimized differential signaling 1506TMO timeout 1507TOD time of day 1508TOS terms of service 1509TOS trusted operating system 1510TOS type of service 1511TP transaction processing 1512TPI tracks per inch 1513TPM transactions per minute 1514TPM trusted platform module 1515TPR task priority register 1516TPS transactions per second 1517TPS transmission parameters signaling 1518TR task register 1519TR token ring 1520TRL timing recovery loop 1521TRNG true random number generator 1522TS terminal services 1523TS time series 1524TS time stamp 1525TS transport stream 1526TSAN Thread Sanitizer 1527TSC time stamp counter 1528TSD time stamp disable 1529TSDB time series database 1530TSL test, set, lock 1531TSO time sharing option 1532TSO Total Store Ordering 1533TSP Time-Stamp Protocol 1534TSP Tunnel Setup Protocol 1535TSP time synchronization protocol 1536TSP traveling salesman problem 1537TSS task state segment 1538TTL time to live 1539TTL transistor-transistor logic 1540TTM translation table maps 1541TTY teletype 1542TUI {terminal,text-based,textual} user interface 1543TX {transmit out,transmitter} 1544TXG transaction group 1545TZ time zone 1546UAC user {access,account} control 1547UAF use-after-free 1548UART universal asynchronous receiver/transmitter 1549UAT user acceptance testing 1550UB undefined behavior 1551UBSAN Undefined Behavior Sanitizer 1552UC uncacheable 1553UCS uniform-cost search 1554UCS unified computing system 1555UCS universal coded character set 1556UDMA ultra DMA 1557UDO ultra density optical 1558UDP User Datagram Protocol 1559UEFI unified extensible firmware interface 1560UFS Unix File System 1561UGA universal graphics adapter 1562UI unit interval 1563UI user interface 1564UICC universal integrated circuit card 1565UID unique identifier 1566UID user identifier 1567UL upload 1568UMA uniform memory access 1569UMA upper memory area 1570UMB upper memory block 1571UML unified modeling language 1572UMPC ultra-mobile PC 1573UPNP universal plug and play 1574UPS uninterruptible power supply 1575URI uniform resource identifier 1576URL uniform resource locator 1577URN uniform resource name 1578USART universal synchronous/asynchronous receiver/transmitter 1579USB universal serial bus 1580USWC uncacheable speculative write combining 1581UT unit test 1582UTC coordinated universal time 1583UTF unicode transformation formats 1584UTP unshielded twisted pair 1585UUCP Unix-to-Unix Copy Protocol 1586UUID universally unique identifier 1587UUOC useless use of cat 1588UUT unit under test 1589UX user experience 1590VA vertical alignment 1591VA virtual address 1592VA volt-ampere 1593VAX virtual address extension 1594VB Visual Basic 1595VCA variable-gain amplifier 1596VCC common collector voltage 1597VCCP virtual chassis control protocol 1598VCF voltage-controlled filter 1599VCM virtual channel memory 1600VCO voltage-controlled oscillator 1601VCP virtual chassis port 1602VCS version control system 1603VESA Video Electronics Standards Association 1604VFO variable-frequency oscillator 1605VFS virtual file system 1606VG volume group 1607VGA Video Graphics Array 1608VHDCI very high density cable interconnect 1609VID {VLAN,voltage level} identifier 1610VIM Vi IMproved 1611VIPT virtually indexed, physically tagged 1612VIVT virtually indexed, virtually tagged 1613VLAN virtual local area network 1614VLIW very long instruction word 1615VLSI very large scale integration 1616VLSM variable length subnet mask 1617VM virtual {machine,memory} 1618VME virtual mode extension 1619VMX vector multimedia extensions 1620VMX virtual machine extensions 1621VOD video on demand 1622VPD vital product data 1623VPN virtual private network 1624VPWS virtual private wire service 1625VR virtual reality 1626VRAM video random access memory 1627VRF virtual routing and forwarding 1628VRM voltage regulator module 1629VROC Virtual RAID On CPU 1630VRRP Virtual Router Redundancy Protocol 1631VSTP VLAN Spanning Tree Protocol 1632VTP VLAN Trunking Protocol 1633VXFS Veritas file sytem 1634VXVM Veritas volume manager 1635W watt 1636W3C World Wide Web Consortium 1637WAFL write anywhere file layout 1638WAMP Web Application Messaging Protocol 1639WAN wide area network 1640WAP Wireless Application Protocol 1641WAP wireless access point 1642WDM Windows Driver Model 1643WDDM Windows Display Driver Model 1644WDT watchdog timer 1645WEP Wired Equivalent Privacy 1646WFI wait for interrupt 1647WFQ weighted fair queuing 1648WH write hit 1649WIFI wireless fidelity 1650WLAN wireless local area network 1651WM write miss 1652WMI Windows Management Instrumentation 1653WOL Wake-on-LAN 1654WOM Wake-on-Modem 1655WOR Wake-on-Ring 1656WORM write once read many 1657WP WordPerfect 1658WP word processor 1659WP write protect 1660WPA Wi-Fi Protected Access 1661WPA2 Wi-Fi Protected Access II 1662WPS Wi-Fi Protected Setup 1663WRAM window random access memory 1664WS web services 1665WTC write through caching 1666WWAN wireless wide area network 1667WWW world wide web 1668WYSIAYG what you see is all you get 1669WYSIWYG what you see is what you get 1670XBAR crossbar 1671XDMCP X Display Manager control protocol 1672XER XML encoding rules 1673XGA Extended Graphics Array 1674XHR XMLHttpRequest 1675XIP execute in place 1676XML Extensible Markup Language 1677XNA XNA's not acronymed 1678XNS Xerox network systems 1679XOR exclusive or 1680XP extreme programming 1681XSI X/Open System Interface 1682XSL extensible stylesheet language 1683XSS cross site scripting 1684XT extended technology 1685XTI X/Open transport interface 1686XUL XML user interface language 1687YACC yet another compiler compiler 1688YAML YAML ain't markup language 1689YANG yet another next generation 1690YAWPFAPR you are welcome; please file a problem report 1691YP Yellow Pages 1692YTD year to date 1693ZAP ZFS attribute processor 1694ZBR zone bit recording 1695ZFOD zero-filled on demand 1696ZFS zettabyte file system 1697ZIF zero insertion force 1698ZIFS zero insertion force socket 1699ZIL ZFS intent log 1700ZMA zone multicast address 1701ZOI zero one infinity 1702ZOI zone of influence 1703ZPL ZFS Posix layer 1704ZVOL ZFS Volume 1705