acronyms.comp revision 1.270
1$NetBSD: acronyms.comp,v 1.270 2019/06/23 17:17:18 alnsn 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 44ALSA advanced Linux sound architecture 45ALU arithmetic and logical unit 46ALUA asymmetric logical unit access 47AM access method 48AM alignment mask 49AM amplitude modulation 50AMD Advanced Micro Devices Inc 51AMDD Agile model-driven development 52AMI alternate mark inversion 53AMP asymmetric multiprocessing 54AMQP advanced message queuing protocol 55AMT active management technology 56AN Arabic number 57ANR application not responding 58ANSI American National Standards Institute 59AO analog output 60AOC add-on card 61AOL Alert-on-LAN 62AOS add or subtract 63AP access point 64AP application processor 65APFS Apple file system 66API application programming interface 67APEI ACPI platform error interface 68APIC advanced programmable interrupt controller 69APIPA automatic private IP addressing 70APM advanced power management 71APM application performance management 72APU accelerated processing unit 73APT advanced persistent threat 74AQM active queue management 75ARAT always running APIC timer 76ARC adaptive replacement cache 77ARC Advanced RISC Computing 78ARC automatic reference counting 79ARM Advanced RISC Machines 80ARP Address Resolution Protocol 81ARPA Advanced Research Projects Agency 82ARQ automatic repeat request 83ARR address range register 84ARU audio response unit 85AS autonomous system 86ASA Adaptive Security Appliance 87ASAN Address Sanitizer 88ASC advanced smart cache 89ASCII American Standard Code for Information Interchange 90ASD agile software development 91ASE advanced software environment 92ASF alert standard format 93ASIC application-specific integrated circuit 94ASK amplitude shift keying 95ASLR address space layout randomization 96ASN autonomous system number 97ASP active server pages 98ASP auxiliary storage pool 99ASPM active state power management 100ASQ automated software quality 101ASR address space register 102ASR Apple software restore 103AST abstract syntax tree 104AST asynchronous system trap 105AT access time 106AT advanced technology 107ATA advanced technology attachment 108ATAPI advanced technology attachment packet interface 109ATC address translation cache 110ATM asynchronous transfer mode 111ATX advanced technology extended 112AV anti virus 113AVB audio video bridging 114AVL Adelson-Velsky-Landis 115AVX advanced vector extensions 116BA byte align 117BAL basic assembly language 118BAR base address register 119BBS bulletin board system 120BCC blind carbon copy 121BCD binary coded decimal 122BCH boot console handler 123BCR byte count register 124BCS base configuration space 125BD baud 126BDD binary decision diagram 127BDI bit deinterleave 128BDUF big design up front 129BEDO burst extended data output 130BER basic encoding rules 131BER bit error {rate,ratio} 132BERT boot error record table 133BFD bidirectional forwarding detection 134BFD binary {file,format} descriptor 135BFKL big fscking kernel lock 136BFS breadth-first search 137BFT binary file transfer 138BGA ball grid array 139BGP Border Gateway Protocol 140BGPSEC BGP Security 141BIND Berkeley Internet Name Daemon 142BIOS Basic Input/Output System 143BIOS built-in operating system 144BIST built-in self-test 145BIU bus interface unit 146BKDG BIOS and kernel developer's guide 147BLAS basic linear algebra subprograms 148BLC back light control 149BLOB binary large object 150BM bus master 151BMC baseboard management controller 152BMIC bus master interface controller 153BN boundary neutral 154BNF Backus-Naur form 155BO binary output 156BOF beginning of file 157BOM beginning of message 158BOM byte order mark 159BP base pointer 160BP boot processor 161BPB BIOS parameter block 162BPDU bridge protocol data unit 163BPF Berkeley Packet Filter 164BPI bits per inch 165BPM business process modelling 166BPS bits per second 167BPSK binary phase shift keying 168BQS Berkeley quality software 169BRE basic regular expression 170BS backspace 171BS binary sequence 172BSA basic service area 173BSD Berkeley Software Distribution 174BSDP Boot Service Discovery Protocol 175BSF bit scan forward 176BSOD blue screen of death 177BSP binary space partition 178BSP board support package 179BSP bootstrap processor 180BSR bit scan reverse 181BSS basic service set 182BSS block started by symbol 183BSSID basic service set identifier 184BT BitTorrent 185BT Bluetooth 186BT bit test 187BTC bit test [and] complement 188BTM bus transport mechanism 189BTR bit test [and] reset 190BTS bit test [and] set 191BTS bug tracking system 192BW bandwidth 193BWM block-write mode 194BUAG big ugly ASCII graphic 195CA certificate authority 196CAD computer-aided design 197CAM computer assisted manufacturing 198CAM conditional access module 199CAM content addressable memory 200CARP Common Address Redundancy Protocol 201CAS column address strobe 202CAS compare and swap 203CAS computer algebra system 204CASE computer aided software engineering 205CAU control access unit 206CAV constant angular velocity 207CBC cipher block chaining 208CBR constant bit rate 209CC carbon copy 210CCD charge coupled device 211CCI co-channel interferer 212CCNUMA cache-coherent non-uniform memory access 213CCTL command completion time limit 214CD cache disable 215CD compact disc 216CDDA compact disc digital audio 217CDL compiler description language 218CDMA code division multiple access 219CDP Cisco Discovery Protocol 220CDRAM cache dynamic random access memory 221CER canonical encoding rules 222CE customer edge 223CF compact flash 224CFB cipher feedback 225CFG context-free grammar 226CFG control-flow graph 227CFI control-flow integrity sanitizer 228CG control gate 229CGA Color Graphics Adapter 230CGI common gateway interface 231CGN Carrier-Grade NAT 232CHAP Challenge-Handshake Authentication Protocol 233CHFS chip file system 234CHS cylinder/head/sector 235CI continuous integration 236CI {common,component} interface 237CIDR Classless Inter-Domain Routing 238CIF common intermediate format 239CIFS Common Internet File System 240CIL common intermediate language 241CIR carrier-to-interference ratio 242CIS contact image sensor 243CISC complex instruction set {computer,computing} 244CJK Chinese, Japanese, [and] Korean 245CLF common log format 246CLI command line interface 247CLI common language infrastructure 248CLR common language runtime 249CLS common language specification 250CLTT closed loop thermal throttling 251CLUT color look-up table 252CLV constant linear velocity 253CM configuration management 254CMA concert multithread architecture 255CMC chassis management controller 256CMC corrected machine check 257CMS {configuration,content,course} management system 258CMI control {management,method} interface 259CMOS complementary metal-oxide-semiconductor 260CMP chip multi-processing 261CMS content management system 262CMYK cyan magenta yellow black 263CN {common,canonical} name 264CNC computer numerical control 265CNR carrier-to-noise ratio 266COA change of authority 267COF current operating frequency 268COFDM coded orthogonal frequency division multiplexing 269COFF common object file format 270COM component object model 271COM computer on module 272COMA cache-only memory architecture 273CORBA common object request broker architecture 274COS class of service 275COW copy-on-write 276CP continuous pilot 277CPB core performance boost 278CPC central processor complex 279CPC cpu performance counters 280CPE common phase error 281CPE common platform enumeration 282CPER common platform error record 283CPG clock pulse generator 284CPI cycles per instruction 285CPL current privilege level 286CPLD complex programmable logic device 287CPP C preprocessor 288CPS characters per second 289CPS continuation-passing style 290CPT command pass through 291CPU central processing unit 292CR carriage return 293CRC cyclic redundancy check 294CRL carrier recovery loop 295CRLF carriage return line feed 296CRT cathode ray tube 297CRUD create, read, update, and delete 298CS cable select 299CS chip select 300CS code segment 301CS computer science 302CSDL {common,conceptual} schema definition language 303CSI channel state information 304CSI common system interface 305CSMA carrier sense multiple access 306CSMA/CA carrier sense multiple access with collision avoidance 307CSMA/CD carrier sense multiple access with collision detection 308CSP communicating sequential processes 309CSP content security policy 310CSP constrain satisfaction problems 311CSP cryptographic service provider 312CSR control [and] status registers 313CSRG Computer Systems Research Group 314CSS cascading style sheets 315CST common spanning tree 316CSV comma-separated values 317CTF compact c type format 318CTM close to metal 319CTR counter [mode] 320CTS clear to send 321CTS common type system 322CUA common user access 323CUT coordinated universal time 324CV control voltage 325CVE common vulnerabilities and exposures 326CVS Concurrent Versions System 327DA destination address 328DAA distributed application architecture 329DAB digital audio broadcasting 330DAC digital [to] analog converter 331DAC discretionary access control 332DAD duplicate address detection 333DANE DNS-based Authentication of Named Entities 334DAO disk at once 335DAP Directory Access Protocol 336DAT digital audio tape 337DAT dynamic acceleration technology 338DB database 339DBA database administrator 340DBA dynamic bandwidth allocation 341DBB data bus buffer 342DBC design by contract 343DBL dynamic buffer limiting 344DBMS database management system 345DBS database server 346DC direct current 347DCC Direct Client-to-Client 348DCC direct cable connect 349DCD data carrier detect 350DCE data control equipment 351DCE distributed computing environment 352DCIM data center infrastructure management 353DCIM digital camera images 354DCL Digital Command Language 355DCOM distributed component object model 356DCOP Desktop COmmunication Protocol 357DCS data collection systems 358DCT discrete cosine transform 359DCU data cache unit 360DDC display data channel 361DDE dynamic data exchange 362DDI device drivers interface 363DDK device driver kit 364DDL data description language 365DDR double data rate 366DDS direct digital sound 367DDWG Digital Display Working Group 368DE debugging extensions 369DE desktop environment 370DEA data encryption algorithm 371DEC Digital Equipment Corporation 372DEK data encryption key 373DEP data execution prevention 374DER distinguished encoding rules 375DES Data Encryption Standard 376DF don't fragment 377DFA deterministic finite automaton 378DFC data flow control 379DFS depth first search 380DFS distributed file system 381DFSAN Data Flow Sanitizer 382DFT diagnostic function test 383DFT discrete Fourier transform 384DGL data generation language 385DH Diffie-Hellman 386DHCP Dynamic Host Configuration Protocol 387DIFS distributed inter-frame space 388DIMM dual inline memory module 389DIRT design in real time 390DKI driver/kernel interface 391DL diode logic 392DL discrete logarithm 393DL download 394DLCI data link connection identifier 395DLE data link escape 396DLL dynamic link library 397DLP discrete logarithm problem 398DMA direct memory access 399DMI desktop management interface 400DMS document management system 401DMT discrete multitone modulation 402DMU data management layer 403DNARD Digital network appliance reference design 404DND drag and drop 405DNLC directory name lookup cache 406DNS Domain Name System 407DNSSEC DNS Security Extensions 408DOE distributed object environment 409DOF data over fibre 410DOM document object model 411DOS denial of service 412DOS disk operating system 413DP DisplayPort 414DPC deferred procedure call 415DPCM differential pulse code modulation 416DPD dead peer detection 417DPI deep packet inspection 418DPI dots per inch 419DPL descriptor privilege level 420DPS Display PostScript 421DPST display power savings technology 422DRAAS disaster recovery as a service 423DRAM dynamic random access memory 424DRBG deterministic random bit generator 425DRI direct rendering infrastructure 426DRM digital rights management 427DRRS display refresh rate switching 428DS debug store 429DS differentiated services 430DSA digital signature algorithm 431DSAP destination service access point 432DSB double-sideband modulation 433DSCP differentiated services code point 434DSDT differentiated system descriptor table 435DSF device special file 436DSL dataset and snapshot layer 437DSL digital subscriber line 438DSL domain specific language 439DSLAM digital subscriber line access multiplexer 440DSN delivery status notification 441DSO dynamic shared object 442DSP digital signal processor 443DSSS direct sequence spread spectrum 444DTD document type definition 445DTE data terminal equipment 446DTE dumb terminal emulator 447DTL diode-transistor logic 448DTLS datagram transport layer security 449DTS digital thermal sensor 450DUT device under test 451DVB digital video broadcasting 452DVCS distributed version control system 453DVD digital versatile disc 454DVFS dynamic voltage and frequency scaling 455DVI device independent 456DVI Digital Visual Interface 457DVR digital video recorder 458E-XER extended XML encoding rules 459EABI embedded-application binary interface 460EAI Email Address Internationalization 461EAI Enterprise Application Integration 462EAP Extensible Authentication Protocol 463EAPOL EAP over Lan 464EAV entity-attribute-value model 465EAV ethernet audio/video bridging 466EBCDIC Extended Binary Coded Decimal Interchange Code 467EBDA Extended BIOS Data Area 468EBNF extended backus-naur form 469EBR extended boot record 470EC elliptic curve 471ECC elliptic curve cryptography 472ECC error correction code 473ECDH elliptic curve Diffie-Hellman 474ECDL elliptic curve discrete logarithm 475ECDLP elliptic curve discrete logarithm problem 476ECDSA elliptic curve digital signature algorithm 477ECL emitter-coupled logic 478ECN explicit congestion notification 479ECP enhanced capability port 480ECS enhanced chip set 481ECS extended configuration space 482EDAC error detection and correction 483EDAT enhanced dynamic acceleration technology 484EdDSA Edwards curve digital signature algorithm 485EDGE explicit data graph execution 486EDID extended display identification data 487EDO extended data out 488EDS electronical data sheet 489EDSAC electronic delay storage automatic calculator 490EDVAC electronic discrete variable automatic computer 491EEE energy efficient ethernet 492EEPROM electrically erasable programmable read only memory 493EFI extensible firmware interface 494EFL emitter follower logic 495EFM eight to fourteen modulation 496EFS extent file system 497EGA Enhanced Graphics Adapter 498EGP exterior gateway protocol 499EH extension header 500EIDE enhanced IDE 501EISA extended industry standard architecture 502EINJ error injection table 503ELF executable and linking format 504ELS entry level system 505EMI electro-magnetic interference 506EMP electro-magnetic pulse 507EMR electro-magnetic radiation 508EMACS Editor MACroS 509ENIAC electronic numerical integrator and computer 510EOF end of file 511EOI end of interrupt 512EOIS end of interactive support 513EOL end of life 514EOL end of line 515EOT end of transmission 516EPIC explicitly parallel instruction computing 517EPP enhanced parallel port 518EPRML extended partial response, maximum likelihood 519EPROM erasable programmable read only memory 520ERC error recovery control 521ERD emergency recovery disk 522ERD entity relationship diagram 523ERE extended regular expression 524ERST error record serialization table 525ESAN Efficiency Sanitizer 526ESB enterprise service bus 527ESDI enhanced small disk interface 528ESDRAM enhanced synchronous dynamic random access memory 529ESI enclosure services interface 530ESS electronic switching system 531ESS extended service set 532ESSID extended service set identifier 533EST enhanced speedstep 534ETL extract, transform, load 535EU execution unit 536EULA end user license agreement 537FAT file allocation table 538FBRAM frame buffer random access memory 539FCIF full common intermediate format 540FCL fiber channel loop 541FCS frame check sequence 542FDC floppy disk controller 543FDD floppy disk drive 544FDDI fiber distributed data interface 545FDE full disk encryption 546FDT flattened device tree 547FEA finite element analysis 548FEC forward error correction 549FET field-effect transistor 550FF finite field 551FF form feed 552FFDH finite-field Diffie-Hellman 553FFH functional fixed hardware 554FFI foreign function interface 555FFM focus follows mouse 556FFS Fast File System 557FFS find first set 558FFT fast Fourier transform 559FG floating gate 560FHSS frequency hop spread spectrum 561FID frequency identifier 562FIFO first in, first out 563FILO first in, last out 564FIPS Federal Information Processing Standards 565FIR fast infrared 566FLOPS floating [point] operations per second 567FLOSS free/libre/open source software 568FM frequency modulation 569FMR false match rate 570FOSS free/open source software 571FPGA field programmable gate array 572FPM fast page mode 573FPR floating point register 574FPU floating point unit 575FQDN fully qualified domain name 576FRR false rejection rate 577FRU field replaceable unit 578FS file system 579FSB front side bus 580FSCK file system check 581FSF Free Software Foundation 582FSK frequency shift keying 583FSM finite-state machine 584FTA fault tree analysis 585FTL flash translation layer 586FTP File Transfer Protocol 587FTPS File Transfer Protocol Secure 588FUS fast user switching 589FWH firmware hub 590FWS folding white space 591GAL generic array logic 592GAS generic address structure 593GC garbage collector 594GCM Galois counter mode 595GCR group-coded recording 596GDI Graphics Device Interface 597GDT global descriptor table 598GEM graphics environment manager 599GEM graphics execution manager 600GENA general event notification architecture 601GHC Glasgow Haskell compiler 602GHES generic hardware error source 603GIC generic interrupt controller 604GID group identifier 605GIF graphics interchange format 606GMCH graphics and memory controller hub 607GNU GNU's Not Unix 608GOP graphics output protocol 609GOT global offset table 610GPE general purpose event 611GPF general protection fault 612GPG GNU Privacy Guard 613GPL [GNU] General Public License 614GPR general purpose register 615GPS generalized processor sharing 616GPT GUID partition table 617GPU graphics processing unit 618GR golden ratio 619GRE generic routing encapsulation 620GSI global system interrupt 621GUI graphical user interface 622GUID globally unique identifier 623GVFS git virtual file system 624HA high availability 625HAL hardware abstraction layer 626HAT hashed array tree 627HATEOAS hypermedia as the engine of application state 628HBA host bus adapter 629HCF halt and catch fire 630HCI host controller interface 631HCI human-computer interaction 632HCL hardware compatibility list 633HDCP High-bandwidth Digital Content Protection 634HDD hard disk drive 635HDL hardware description language 636HDMI High-Definition Multimedia Interface 637HDTV high-definition television 638HECI host embedded controller interface 639HEST hardware error source table 640HF high frequency 641HFM highest frequency mode 642HFS hierarchical file system 643HID human interface device 644HKP HTTP Keyserver Protocol 645HLL high-level language 646HMA high memory area 647HMI human-machine interface 648HOOD hierarchical object oriented design 649HP Hewlett-Packard 650HPC high performance computing 651HPET high precision event timer 652HSM hardware security module 653HSM hierarchical storage management 654HT hyper-threading 655HTC hardware thermal control 656HTCC high temperature co-fired ceramic 657HTML HyperText Markup Language 658HTT hyper-threading technology 659HTTP Hypertext Transfer Protocol 660HTTPS Hypertext Transfer Protocol Secure 661HVM hardware virtual machine 662HVDS High-Voltage Differential Signaling 663HWASAN Hardware-assisted Address Sanitizer 664HZ Hertz 665I2O intelligent input/output 666IA information assurance 667IAAS infrastructure as a service 668IANA Internet Assigned Numbers Authority 669IBC iterated block cipher 670IBM International Business Machines 671IBS instruction based sampling 672IBSS independent basic service set 673IC integrated circuit 674ICA independent computer architecture 675ICB Internet Citizen's Band 676ICE in-circuit emulator 677ICE internal compiler error 678ICH I/O controller hub 679ICMP Internet Control Message Protocol 680ICT information and communications technology 681ICW initialization command word 682IDA Intel dynamic acceleration 683IDCMP Intuition direct communication message port 684IDE integrated development environment 685IDE integrated drive electronics 686IDPS intrusion detection [and] prevention system 687IDRP inter-domain routing protocol 688IDS intrusion detection system 689IDT interrupt descriptor table 690IE Internet Explorer 691IEC International Electrotechnical Commission 692IEEE Institute of Electrical and Electronics Engineers 693IESG Internet Engineering Steering Group 694IETF Internet Engineering Task Force 695IF intermediate frequency 696IFCM isochronous flow control mode 697IFF Interchange File Format 698IFS internal field separator 699IGD Internet gateway device 700IGMP Internet Group Management Protocol 701IGP interior gateway protocol 702IHV independent hardware vendor 703IKE Internet key exchange 704ILM internal loopback mode 705ILOM integrated lights-out management 706ILP instruction level parallelism 707IM instant messaging 708IMAP Internet Message Access Protocol 709IMC integrated memory controller 710IMCR interrupt mode configuration register 711IMR interrupt mask register 712IMS information management system 713IMSI international mobile subscriber identity 714INCITS InterNational Committee for Information Technology Standards 715IO input/output 716IOCTL input/output control 717IOM input/output managers 718IOMMU input/output memory management unit 719IOT Internet of Things 720IP Internet Protocol 721IP intellectual property 722IPC instructions per cycle 723IPC interprocess communication 724IPCF interprocess communication facility 725IPE integrated programming environment 726IPI intelligent peripheral interface 727IPI interprocessor interrupt 728IPL Initial Program Load 729IPL Interrupt Priority Level 730IPMB Intelligent Platform Management Bus 731IPMI Intelligent Platform Management Interface 732IPNG Internet Protocol, Next Generation 733IPS in-plane switching 734IPS intrusion prevention system 735IPSEC Internet Protocol Security 736IRC Internet Relay Chat 737IRDA infrared data association 738IRDP ICMP Router Discovery Protocol 739IRQ interrupt request 740IRQL interrupt request level 741IRR interrupt request register 742IRTF Internet Research Task Force 743IS information system 744ISA industry standard architecture 745ISA instruction set architecture 746ISE instant secure erase 747ISDN integrated services digital network 748ISI inter-symbol interference 749ISL initial system load 750ISM industrial, scientific, [and] medical 751ISN initial serial number 752ISO International Standards Organization 753ISOC Internet Society 754ISP Internet service provider 755ISR in-service register 756ISR interrupt service routine 757IST internal spanning tree 758IST interrupt stack table 759ISV independent software vendor 760IT information technology 761ITB Intel Turbo Boost 762ITIL information technology infrastructure library 763ITP in-target probe 764ITSM IT service management 765IV initialization vector 766IVT interrupt vector table 767JBOD just a bunch of disks 768JCL Job Control Language 769JFET junction [gate] field-effect transistor 770JIT just in time 771JPEG Joint Photographic Experts Group 772JRE Java Runtime Environment 773JSON JavaScript Object Notation 774JTAG joint test action group 775KASLR kernel address space layout randomization 776KB keyboard 777KB kilobyte 778KBD keyboard 779KBD kilobaud 780KCS keyboard controller style 781KLOC thousand lines of code 782KMS kernel-mode setting 783KPI kernel programming interface 784KVA kernel virtual address 785KVM kernel virtual machine 786KVM kernel virtual memory 787KVM keyboard, video, [and] mouse 788L2CAP link layer control and adaptation protocol 789LAMP Linux Apache MySQL {Perl,PHP,Python} 790LAN local area network 791LAPIC local advanced programmable interrupt controller 792LAR load access rights 793LBA logical block addressing 794LBNF labeled backus-naur form 795LBS location-based service 796LCD liquid crystal display 797LCP link control protocol 798LDA local delivery agent 799LDAP Lightweight Directory Access Protocol 800LDR light-dependent resistor 801LDT local descriptor table 802LE logical extent 803LED light emitting diode 804LELL low energy link layer 805LER label edge router 806LF line feed 807LF low frequency 808LFM lowest frequency mode 809LFN long file names 810LFO low-frequency oscillation 811LFS log-structured file system 812LFU least frequently used 813LHP loop heat pipe 814LIF logical interchange format 815LIFO last in, first out 816LILO LInux LOader 817LILO last in, last out 818LINT local interrupt 819LIR local Internet registry 820LISP LISt Processor 821LISP Locator/ID Separation Protocol 822LKM {Linux,loadable} kernel module 823LKML Linux kernel mailing list 824LL load linked 825LL/SC load linked/store conditional 826LLC logical link control 827LLD low-level design 828LLDD low-level design document 829LLDP link layer discovery protocol 830LLF low level format 831LLMNR link-local multicast name resolution 832LLVM Low Level Virtual Machine 833LM long mode 834LMI local management interface 835LMM link management mode 836LMP link management protocol 837LNO loop nest optimization 838LOC lines of code 839LOM lights-out management 840LPE Linux performance events 841LPC low pin count 842LPS local positioning system 843LRC longitudinal redundancy check 844LRM left-to-right mark 845LRO left-to-right override 846LRU least recently used 847LS link state 848LSAN Leak Sanitizer 849LSB Linux standards base 850LSB least significant {bit,byte} 851LSI large scale integration 852LSL load segment limit 853LSM log structured merge 854LSN Large Scale NAT 855LSN log sequence number 856LSR label switch router 857LTCC low temperature co-fired ceramic 858LTO linear tape-open 859LTO link time optimization 860LTR left to right 861LTR load task register 862LTR letter(-sized paper) 863LTS long term support 864LUA Lua Uppercase Accident 865LUN logical unit number 866LV logical volume 867LVM logical volume management 868LVT local vector table 869LVDS Low-Voltage Differential Signaling 870LWP light-weight process 871LZSS Lempel Ziv Storer Szymanski 872LZW Lempel Ziv Welch 873MAB MAC authentication bypass 874MAC mandatory access control 875MAC {media,medium} access control 876MAC message authentication {check,code} 877MADT multiple APIC descriptor table 878MAMR microwave-assisted magnetic recording 879MB megabyte 880MBA multi-boot agent 881MBR master boot record 882MBS megabits per second 883MC memory controller 884MCA machine check architecture 885MCA MicroChannel architecture 886MCC multiversion concurrency control 887MCE machine check exception 888MCGA Multi-Color Graphics Array 889MCH memory controller hub 890MCLAG multi-chassis link aggregation 891MCM multi-chip module 892MCQ memory controlled queue 893MD machine-dependent 894MD-SAL model-driven service abstraction layer 895MDA mail delivery agent 896MDA Monochrome Display Adapter 897MDC Management Data Clock 898MDI Medium Dependent Interface 899MDI-X Medium Dependent Interface Crossover 900MDIO Management Data Input/Output 901MDMX MIPS Digital Media eXtension 902MDRAM multibank dynamic random access memory 903MESI modified, exclusive, shared, invalid 904MFC merge from current 905MFC Microsoft Foundation Classes 906MFM modified frequency modulation 907MFU most frequently used 908MGCP media gateway control protocol 909MI machine-independent 910MI machine interface 911MIB management information base 912MIC message integrity {check,code} 913MID mobile Internet device 914MIDI musical instrument digital interface 915MIF management information format 916MII media independent interface 917MIM man in the middle 918MIMD multiple instruction, multiple data 919MIME Multipurpose Internet Mail Extensions 920MIMO multiple input multiple output 921MIPS million instructions per second 922MIPS Microprocessor without Interlocked Pipeline Stages 923MISD multiple instruction, single data 924MIT Massachusetts Institute of Technology 925MITM man in the middle 926ML machine language 927ML machine learning 928ML mailing list 929ML markup language 930ML maximum likelihood 931MLC multi-level cell 932MLD multicast listener discovery 933MLHP micro loop heat pipe 934MMF multi-mode fiber 935MMIC monolithic microwave integrated circuit 936MMIO memory mapped input/output 937MMORPG massive multiplayer online role playing game 938MMU memory management unit 939MMX matrix math extension 940MMX multimedia extension 941MMX multiple math extension 942MO magneto-optical 943MOESI modified, owned, exclusive, shared, invalid 944MOF maximum operating frequency 945MOSFET metal-oxide-semiconductor field-effect transistor 946MOSI modified, owned, shared, invalid 947MP multi-platform 948MP multiplayer 949MP {multiprocessing,multiprocessor} 950MPEG moving picture experts group 951MPI message passing interface 952MPLS Multiprotocol Label Switching 953MPP massively parallel processor 954MPS memory pool system 955MPS multiprocessor specification 956MQTT Message Queuing Telemetry Transport 957MR modem ready 958MRO method resolution order 959MRU most recently used 960MS Microsoft 961MSAN Memory Sanitizer 962MSB most significant {bit,byte} 963MSC message sequence chart 964MSE mean square error 965MSF minutes seconds frames 966MSI message signaled interrupt 967MSI modified, shared, invalid 968MSR {machine state,model-specific} register 969MSS maximum segment size 970MSTP Multiple Spanning Tree Protocol 971MT machine translation 972MTA mail transfer agent 973MTBF mean time between failures 974MTP media transfer protocol 975MTRR memory type range register 976MTTF mean time to failure 977MTU maximum transmission unit 978MUA mail user agent 979MUD multi-user domain 980MVCC multiversion concurrency control 981MWE module width encoding 982MX mail exchange 983NACK negative acknowledgement 984NAK negative acknowledgement 985NAN not a number 986NAPT Network Address Port Translation 987NAS network attached storage 988NAT network address translation 989NAV network allocation vector 990NC numerical control 991NC-SI network controller sideband interface 992NCO numerically-controlled oscillator 993NCP Network Control Protocol 994NCSI network connectivity status indicator 995NCQ native command queuing 996ND neighbor discovery 997NDFA nondeterministic finite automaton 998NDIS network driver interface specification 999NE numeric error 1000NEWS Network extensible Window System 1001NFA nondeterministic finite automaton 1002NFC near-field communication 1003NFCI no functional change intended 1004NFS network file system 1005NFV network function virtualization 1006NIA next instruction address 1007NIC network information center 1008NIC network interface card 1009NIDS network intrusion detection system 1010NIP network interface protocol 1011NIPS network intrusion prevention system 1012NIS network information service 1013NIST National Institute of Standards and Technology 1014NLS native language support 1015NMI non-maskable interrupt 1016NNTP Network News Transfer Protocol 1017NOC network operations center 1018NOP no operation 1019NOS network operating system 1020NP nondeterministic polynomial time 1021NRND not recommended for new designs 1022NRZ non-return to zero 1023NSA nation-state adversary 1024NSA no such agency 1025NSA National Security Agency 1026NTM non-deterministic Turing machine 1027NTP Network Time Protocol 1028NUMA non-uniform memory access 1029NVMM NetBSD Virtual Machine Monitor 1030NVMM non-volatile main memory 1031NVRAM non-volatile random access memory 1032NW not write-through 1033NX no execute 1034OAEP optimal asymmetric encryption padding 1035OAM operations, administration, and {management,maintenance} 1036OBO off by one 1037OBOE off by one error 1038OCL object constraint language 1039OCR optical character recognition 1040ODE offline device environment 1041ODI open data-link interface 1042ODM object data manager 1043ODCM on-demand clock modulation 1044ODT on-die termination 1045OEM original equipment manufacturer 1046OFB output feedback 1047OFDM orthogonal frequency division multiplexing 1048OFET organic field-effect transistor 1049OLAP online analytical processing 1050OLE object linking and embedding 1051OLTP online transaction processing 1052ONFI open nand flash interface 1053OO OpenOffice 1054OO object oriented 1055OOB out of band 1056OOE out of order execution 1057OOM out of memory 1058OOO OpenOffice.org 1059OOP object oriented programming 1060OOPS object oriented programming systems 1061OOSE object oriented software engineering 1062OPM operations per minute 1063OPS operations per second 1064OQL Object Query Language 1065ORB object request broker 1066ORM object-relational mapping 1067OS operating system 1068OSD open source definition 1069OSF open software foundation 1070OSI Open Source Initiative 1071OSI open systems interconnection 1072OSPF open shortest path first 1073OSPM OS power management 1074OSS open sound system 1075OSS open source software 1076OSVW operating system visible workarounds 1077OTP one time password 1078OTP open telecom platform 1079OU organizational unit 1080OUI organizationally unique identifier 1081OWL Web Ontology Language 1082P2P PCI to PCI 1083P2P peer to peer 1084PA phase accumulator 1085PA physical address 1086PAAS platform as a service 1087PAC phase-amplitude converter 1088PAE physical address extension 1089PAL phase alternating line 1090PAL programmable array logic 1091PAM pluggable authentication modules 1092PAM pulse amplitude modulation 1093PAP password authentication protocol 1094PAT page attribute table 1095PAT port address translation 1096PATA parallel ATA 1097PAX portable archive exchange 1098PBE pending break encoding 1099PBE programming by example 1100PC personal computer 1101PC program counter 1102PCB printed circuit board 1103PCB process control block 1104PCB Protocol Control Block 1105PCC Portable C Compiler 1106PCD page-level cache disable 1107PCE path computation element 1108PCE performance-monitor counter enable 1109PCEP Path Computation Element Protocol 1110PCH platform controller hub 1111PCI peripheral component interconnect 1112PCM phase change memory 1113PCM pulse code modulation 1114PCMCIA Personal Computer Memory Card International Association 1115PCP Port Control Protocol 1116PD public domain 1117PDA personal digital assistant 1118PDA pushdown automaton 1119PDAG propositional directed acyclic graph 1120PDB power distribution board 1121PDF portable document format 1122PDM pulse-duration modulation 1123PDN pull-down network 1124PDP page {descriptor,directory} page 1125PDS product data sheet 1126PDU protocol data unit 1127PE protection enable 1128PE provider edge 1129PEAP Protected EAP 1130PECI platform environment control interface 1131PEP protocol extension protocol 1132PER packed encoding rules 1133PFS perfect forward secrecy 1134PGAS partitioned global address space 1135PGE page global enable 1136PGP Pretty Good Privacy 1137PHB PCI host bridge 1138PHP PHP: Hypertext Preprocessor 1139PIC performance instrumentation counters 1140PIC position independent code 1141PIC programmable interrupt controller 1142PICNIC problem in chair, not in computer 1143PID process id 1144PIE position independent executable 1145PIL Priority Interrupt Level 1146PIM personal information manager 1147PIM platform-independent model 1148PIO programmed input/output 1149PIPT physically indexed, physically tagged 1150PIQ prefetch input queue 1151PIT programmable interrupt timer 1152PIV personal identity verification 1153PIX Private Internet eXchange 1154PKCS public-key cryptography standards 1155PKI public key infrastructure 1156PLC programmable logic controller 1157PLD programmable logic device 1158PLL phase locked loop 1159PLRU pseudo LRU 1160PLTM package level thermal management 1161PM power management 1162PM {phase,pulse} modulation 1163PMC performance monitoring counters 1164PME power management event 1165PMEG page map entry group 1166PMI performance monitoring infrastructure 1167PMI platform management interrupt 1168PMIC power management integrated circut 1169PMIO port-mapped input/output 1170PMT photo-multiplier tube 1171PMU performance monitoring units 1172PMU power management unit 1173PNG portable network graphics 1174PNP plug and play 1175POE power over ethernet 1176POF probability of failure 1177POP Post Office Protocol 1178POP power on password 1179POSIX Portable Operating System Interface [for Unix] 1180POST power on self test 1181POTS plain old telephone system 1182POWER Performance Optimization With Enhanced RISC 1183POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1184PP pair programming 1185PPB PCI [to] PCI bridge 1186PPC PowerPC 1187PPC Power Performance Computing 1188PPI pixels per inch 1189PPM pages per minute 1190PPP Point-to-Point Protocol 1191PPPOA Point-to-Point Protocol over ATM 1192PPPOE Point-to-Point Protocol over Ethernet 1193PPU physics processing unit 1194PRAM Parameter RAM 1195PRBS pseudorandom bit sequence 1196PRG pseudorandom generator 1197PRF pseudorandom function [family] 1198PRML partial response, maximum likelihood 1199PRN pseudorandom {noise,number} 1200PRNG pseudorandom number generator 1201PROM programmable read only memory 1202PRP pseudorandom permutation 1203PRU Programmable Realtime Unit 1204PS PostScript 1205PSD power spectral density 1206PSE page size extensions 1207PSK phase shift keying 1208PSK pre-shared key 1209PSTN public switched telephone network 1210PSW program status word 1211PTE page table entry 1212PTLA pseudo top level aggregator 1213PTP page table page 1214PTV perceived target value 1215PU processing unit 1216PUC personal unblocking code 1217PUN physical unit number 1218PV physical volume 1219PVC permanent virtual circuit 1220PVG physical volume group 1221PVI protected-mode virtual interrupt 1222PVST Per-VLAN Spanning Tree 1223PWM pulse width modulation 1224PXE preboot execution environment 1225QA quality assurance 1226QAM quadrature amplitude modulation 1227QAM quality assurance management 1228QBE query by example 1229QC quality control 1230QDI quasi delay insensitive 1231QCIF quarter common intermediate format 1232QOS quality of service 1233QVL qualified vendor list 1234R/O read only 1235R/W read/write 1236RA receiver address 1237RA remote assistance 1238RA resource affinity 1239RA router advertisement 1240RAD rapid application development 1241RAID redundant array of {independent,inexpensive} disks 1242RAM random access memory 1243RAS reliability, availability and serviceability 1244RAS remote access service 1245RAS restartable atomic sequence 1246RAS row address strobe 1247RBF radial basis function 1248RBNF routing backus-naur form 1249RBT red-black tree 1250RC release candidate 1251RC remote control 1252RC run commands 1253RCS Revision Control System 1254RCS revision control system 1255RCU read, copy, update 1256RDB Rigid Disk Block 1257RDBMS relational database management system 1258RDF Resource Description Framework 1259RDM relational data model 1260RDMA remote direct memory access 1261RDRAM Rambus DRAM 1262RE regular expression 1263REST representational state transfer 1264RF radio frequency 1265RFI radio frequency interference 1266RFO request for ownership 1267RFU reserved for future use 1268RGB red green blue 1269RGBA red green blue alpha 1270RGMII reduced gigabit media independent interface 1271RH read hit 1272RHEL Red Hat Enterprise Linux 1273RHL Red Hat Linux 1274RIB routing information base 1275RIFF Resource Interchange File Format 1276RIP Raster Image Processor 1277RIP Routing Information Protocol 1278RIR regional Internet registry 1279RISC reduced instruction set {computer,computing} 1280RKM ROM Kernel Manual 1281RLE run length encoding 1282RLL run length limited 1283RLO right-to-left override 1284RM read miss 1285RMCP Remote Management Control Protocol 1286RMI remote method invocation 1287RMO Relaxed Memory Ordering 1288RMPM rapid memory power management 1289RMS root mean square 1290RMW read, modify, write 1291RNG random number generator 1292ROM read only memory 1293RPC remote procedure call 1294RPKI resource PKI 1295RPL requested privilege level 1296RPM revolutions per minute 1297RPN reverse Polish notation 1298RPVST Rapid Per-VLAN Spanning Tree 1299RR random replacement 1300RR round robin 1301RS relay station 1302RSA Rivest, Shamir, [and] Adleman 1303RSIP Realm Specific IP 1304RSN Robust Secure Network 1305RSS really simple syndication 1306RSS residual sum of squares 1307RSTP Rapid Spanning Tree Protocol 1308RT real time 1309RTC real time clock 1310RTC real time computing 1311RTF rich text format 1312RTL register transfer language 1313RTL resistor-transistor logic 1314RTL right to left 1315RTOS real time operating system 1316RTS request to send 1317RTT round trip time 1318RUP rational unified process 1319RW Rabin-Williams 1320RWM read-write memory 1321RX {receive,receiver} 1322S/PDIF Sony/Philips Digital Interface Format 1323SA security advisory 1324SA security association 1325SA source address 1326SA structured analysis 1327SAAS software as a service 1328SACD super audio compact disc 1329SAD security association database 1330SAL {service,system} abstraction layer 1331SAM serial access memory 1332SAM sum addressed memory 1333SAML security assertion markup language 1334SAN storage area network 1335SAP service access point 1336SAPIC streamlined advanced programmable interrupt controller 1337SASD structured analysis, structured design 1338SASI Shugart Associates System Interface 1339SASL simple authentication [and] security layer 1340SATA serial advanced technology attachment 1341SAX simple API for XML 1342SB sound blaster 1343SBU standard build unit 1344SC store conditional 1345SCA source code analyzer 1346SCADA supervisory control and data acquisition 1347SCC single chip cloud 1348SCC source code control 1349SCCS Source Code Control System 1350SCI scalable coherent interface 1351SCI system control interrupt 1352SCM software configuration management 1353SCM source code management 1354SCM storage-class memory 1355SCO synchronous connection orientated 1356SCP secure copy 1357SCSI Small Computer System Interface 1358SCTP Stream Control Transmission Protocol 1359SDEI software delegated exception interface 1360SDI symbol deinterleave 1361SDK software development kit 1362SDL Simple Declarative Language 1363SDL Simple Direct-media Layer 1364SDLC {software,system,systems} development life cycle 1365SDN software defined networking 1366SDP Session Description Protocol 1367SDRAM synchronous dynamic random access memory 1368SDS software defined storage 1369SDT syntax-directed translation 1370SEA synchronous external abort 1371SEGV segmentation violation 1372SED self-encrypting drive 1373SED stream editor 1374SEO search engine optimization 1375SES SCSI enclosure services 1376SFC sequential function chart 1377SFI simple firmware interface 1378SFI software fault isolation 1379SFTP SSH File Transfer Protocol 1380SFTP Serial File Transfer Protocol 1381SFTP Simple File Transfer Protocol 1382SGMII serial gigabit media independent interface 1383SGRAM synchronous graphics random access memory 1384SHA secure hash algorithm 1385SIDH supersingular isogeny Diffie-Hellman 1386SIEM security information and event management 1387SIF source input format 1388SIFS short inter-frame space 1389SIM subscriber identity module 1390SIMD single instruction, multiple data 1391SIMM single inline memory module 1392SIP Session Initiation Protocol 1393SIR signal-to-interference ratio 1394SIR slow infrared 1395SISD single instruction, single data 1396SLAAC stateless address auto-configuration 1397SLC single-level cell 1398SLDRAM synchronous-link dynamic random access memory 1399SLED single large expensive disk 1400SLI scalable link interface 1401SLI scan-line interleave 1402SLIC system license internal code 1403SLOC source lines of code 1404SLRU segmented LRU 1405SMA smart memory access 1406SMAF system management action field 1407SMAP Simple Mail Access Protocol 1408SMAP supervisor mode access prevention 1409SMART self-monitoring analysis and reporting technology 1410SMB Server Message Block 1411SMB system management bus 1412SMBIOS System Management BIOS 1413SMC system management controller 1414SMD storage module device 1415SMEP supervisor mode execution protection 1416SMF single mode fiber 1417SMI structure of management information 1418SMI system management interrupt 1419SMM system management mode 1420SMP serial management protocol 1421SMP symmetric multiprocessing 1422SMT simultaneous multithreading 1423SMTP Simple Mail Transfer Protocol 1424SMU system management unit 1425SNA systems network architecture 1426SNAP Sub-Network Access Protocol 1427SNIA Storage Networking Industry Association 1428SNMP Simple Network Management Protocol 1429SNR signal-to-noise ratio 1430SOA service oriented architecture 1431SOAP Simple Object Access Protocol 1432SOC system on chip 1433SOF start of frame 1434SOH start of header 1435SOHO small office/home office 1436SOL serial over LAN 1437SOM system on module 1438SP service pack 1439SP stack pointer 1440SPA storage pool allocator 1441SPARC scalable processor architecture 1442SPARQL SPARQL Protocol and RDF Query Language 1443SPD security policy database 1444SPD serial presence detect 1445SPDIF Sony/Philips digital interface format 1446SPI serial peripheral interface 1447SPI stateful packet inspection 1448SPL system interrupt priority level 1449SPL spinlock 1450SPMD single process, multiple data 1451SPR special purpose register 1452SPT sectors per track 1453SQA software quality assurance 1454SQCIF sub quarter common intermediate format 1455SQL Structured Query Language 1456SRAM static random access memory 1457SRC sample rate conversion 1458SRP SCSI RDMA protocol 1459SS self-snoop 1460SS stack segment 1461SSA static single assignment 1462SSAP source service access point 1463SSB single-sideband modulation 1464SSD solid state drive 1465SSE streaming SIMD extensions 1466SSFDC solid state floppy disc card 1467SSH secure shell 1468SSI server side includes 1469SSID service set identifier 1470SSL secure sockets layer 1471SSP stack smashing protection 1472STC software thermal control 1473STD state transition diagram 1474STOMP Streaming Text Oriented Messaging Protocol 1475STP Spanning Tree Protocol 1476STP shielded twisted pair 1477SUN Stanford University Network 1478SUS Single Unix Specification 1479SUT system under test 1480SVC switched virtual circuit 1481SVG scalable vector graphics 1482SVGA Super Video Graphics Array 1483SVI {switch,switched} virtual interface 1484SVM secure virtual machine 1485SVM support vector machine 1486SVR System V Release 1487SVS Separate Virtual Space 1488SWF Shockwave Flash 1489SWIG simplified wrapper [and] interface generator 1490SYR symbol timing recovery 1491TA test assertion 1492TA transmitter address 1493TAI international atomic time 1494TAO track at once 1495TAOCP The Art of Computer Programming 1496TAP Test Anything Protocol 1497TAS test and set 1498TB terabyte 1499TBNF transitional backus-naur form 1500TCB trace capture buffer 1501TCB trusted computing base 1502TCC thermal control circuit 1503TCL tool command language 1504TCP Transmission Control Protocol 1505TCQ tagged command queueing 1506TDC time [to] digital converter 1507TDD test-driven development 1508TDD time division duplex 1509TDM time division multiplexing 1510TDMA time division multiple access 1511TDOA time difference of arrival 1512TDP thermal design {point,power} 1513TDR time-domain reflectometry 1514TECO Text Editor and Corrector 1515TFT thin film transistor 1516TFTP Trivial File Transfer Protocol 1517TIAS try it and see 1518TIFF tagged image file format 1519TITS try it to see 1520TK temporal key 1521TKIP Temporal Key Integrity Protocol 1522TLA top level aggregator 1523TLB translation lookaside buffer 1524TLD top level domain 1525TLER time-limited error recovery 1526TLI transport layer interface 1527TLS thread local storage 1528TLS transport layer security 1529TM Turing machine 1530TM thermal monitor 1531TMG transmogrifier 1532TMDS transition minimized differential signaling 1533TMO timeout 1534TOD time of day 1535TOS terms of service 1536TOS trusted operating system 1537TOS type of service 1538TP transaction processing 1539TPI tracks per inch 1540TPM transactions per minute 1541TPM trusted platform module 1542TPR task priority register 1543TPS transactions per second 1544TPS transmission parameters signaling 1545TR task register 1546TR token ring 1547TRL timing recovery loop 1548TRNG true random number generator 1549TS terminal services 1550TS time series 1551TS time stamp 1552TS transport stream 1553TSAN Thread Sanitizer 1554TSC time stamp counter 1555TSD time stamp disable 1556TSDB time series database 1557TSL test, set, lock 1558TSO time sharing option 1559TSO Total Store Ordering 1560TSP Time-Stamp Protocol 1561TSP Tunnel Setup Protocol 1562TSP time synchronization protocol 1563TSP traveling salesman problem 1564TSS task state segment 1565TTL time to live 1566TTL transistor-transistor logic 1567TTM translation table maps 1568TTY teletype 1569TUI {terminal,text-based,textual} user interface 1570TX {transmit out,transmitter} 1571TXG transaction group 1572TZ time zone 1573UAC user {access,account} control 1574UAF use-after-free 1575UART universal asynchronous receiver/transmitter 1576UAT user acceptance testing 1577UB undefined behavior 1578UBSAN Undefined Behavior Sanitizer 1579UC uncacheable 1580UCS uniform-cost search 1581UCS unified computing system 1582UCS universal coded character set 1583UDI uniform driver interface 1584UDMA ultra DMA 1585UDO ultra density optical 1586UDP User Datagram Protocol 1587UEFI unified extensible firmware interface 1588UFS Unix File System 1589UGA universal graphics adapter 1590UI unit interval 1591UI user interface 1592UICC universal integrated circuit card 1593UID unique identifier 1594UID user identifier 1595UL upload 1596UMA uniform memory access 1597UMA upper memory area 1598UMB upper memory block 1599UML unified modeling language 1600UMPC ultra-mobile PC 1601UPNP universal plug and play 1602UPS uninterruptible power supply 1603URI uniform resource identifier 1604URL uniform resource locator 1605URN uniform resource name 1606USART universal synchronous/asynchronous receiver/transmitter 1607USB universal serial bus 1608USWC uncacheable speculative write combining 1609UT unit test 1610UTC coordinated universal time 1611UTF unicode transformation formats 1612UTP unshielded twisted pair 1613UUCP Unix-to-Unix Copy Protocol 1614UUID universally unique identifier 1615UUOC useless use of cat 1616UUT unit under test 1617UX user experience 1618VA vertical alignment 1619VA virtual address 1620VA volt-ampere 1621VAX virtual address extension 1622VB Visual Basic 1623VCA variable-gain amplifier 1624VCC common collector voltage 1625VCCP virtual chassis control protocol 1626VCF voltage-controlled filter 1627VCM virtual channel memory 1628VCO voltage-controlled oscillator 1629VCP virtual chassis port 1630VCS version control system 1631VES virtual execution system 1632VESA Video Electronics Standards Association 1633VFO variable-frequency oscillator 1634VFS virtual file system 1635VG volume group 1636VGA Video Graphics Array 1637VHDCI very high density cable interconnect 1638VID {VLAN,voltage level} identifier 1639VIM Vi IMproved 1640VIPT virtually indexed, physically tagged 1641VIVT virtually indexed, virtually tagged 1642VLAN virtual local area network 1643VLIW very long instruction word 1644VLSI very large scale integration 1645VLSM variable length subnet mask 1646VM virtual {machine,memory} 1647VME virtual mode extension 1648VMX vector multimedia extensions 1649VMX virtual machine extensions 1650VOD video on demand 1651VPD vital product data 1652VPN virtual private network 1653VPWS virtual private wire service 1654VR virtual reality 1655VRAM video random access memory 1656VRF virtual routing and forwarding 1657VRM voltage regulator module 1658VROC Virtual RAID On CPU 1659VRRP Virtual Router Redundancy Protocol 1660VSTP VLAN Spanning Tree Protocol 1661VTP VLAN Trunking Protocol 1662VXFS Veritas file sytem 1663VXVM Veritas volume manager 1664W watt 1665W3C World Wide Web Consortium 1666WAFL write anywhere file layout 1667WAMP Web Application Messaging Protocol 1668WAN wide area network 1669WAP Wireless Application Protocol 1670WAP wireless access point 1671WDM Windows Driver Model 1672WDDM Windows Display Driver Model 1673WDT watchdog timer 1674WEP Wired Equivalent Privacy 1675WFI wait for interrupt 1676WFQ weighted fair queuing 1677WH write hit 1678WIFI wireless fidelity 1679WLAN wireless local area network 1680WM write miss 1681WMI Windows Management Instrumentation 1682WOL Wake-on-LAN 1683WOM Wake-on-Modem 1684WOR Wake-on-Ring 1685WORM write once read many 1686WP WordPerfect 1687WP word processor 1688WP write protect 1689WPA Wi-Fi Protected Access 1690WPA2 Wi-Fi Protected Access II 1691WPS Wi-Fi Protected Setup 1692WRAM window random access memory 1693WS web services 1694WTC write through caching 1695WWAN wireless wide area network 1696WWW world wide web 1697WYSIAYG what you see is all you get 1698WYSIWYG what you see is what you get 1699XBAR crossbar 1700XDMCP X Display Manager control protocol 1701XER XML encoding rules 1702XGA Extended Graphics Array 1703XHR XMLHttpRequest 1704XIP execute in place 1705XML Extensible Markup Language 1706XNA XNA's not acronymed 1707XNS Xerox network systems 1708XOR exclusive or 1709XP extreme programming 1710XSI X/Open System Interface 1711XSL extensible stylesheet language 1712XSLT extensible stylesheet language transformations 1713XSS cross site scripting 1714XT extended technology 1715XTI X/Open transport interface 1716XUL XML user interface language 1717YACC yet another compiler compiler 1718YAML YAML ain't markup language 1719YANG yet another next generation 1720YAWPFAPR you are welcome; please file a problem report 1721YP Yellow Pages 1722YTD year to date 1723ZAP ZFS attribute processor 1724ZBR zone bit recording 1725ZFOD zero-filled on demand 1726ZFS zettabyte file system 1727ZIF zero insertion force 1728ZIFS zero insertion force socket 1729ZIL ZFS intent log 1730ZMA zone multicast address 1731ZOI zero one infinity 1732ZOI zone of influence 1733ZPL ZFS Posix layer 1734ZVOL ZFS Volume 1735