acronyms.comp revision 1.261
1$NetBSD: acronyms.comp,v 1.261 2019/06/07 11:36:12 sevan Exp $ 23WHS three-way handshake 38VSB 8-state vestigial side band modulation 4AA anti-aliasing 5AAA authentication, authorization, [and] accounting 6AAT average access time 7ABI application binary interface 8ABNF augmented backus-naur form 9ABR available bit rate 10ABRT automatic bug reporting tool 11AC alternating current 12ACI adjacent channel interferer 13ACID atomicity, consistency, isolation, durability 14ACK Amsterdam compiler kit 15ACK acknowledgement 16ACL access control list 17ACL active current loop 18ACL asynchronous connection less 19ACP auxiliary control {process,program} 20ACPI advanced configuration and power interface 21ACS access control set 22ACU automatic calling unit 23ADB Apple desktop bus 24ADC analog [to] digital converter 25ADD acronym driven development 26ADO active data objects 27ADP automatic data processing 28ADPCM adaptive differential pulse code modulation 29ADS alternate data stream 30ADSL asymmetric digital subscriber line 31ADT abstract data type 32AER advanced error reporting 33AES Advanced Encryption Standard 34AFP Apple Filing Protocol 35AFS Andrew File System 36AGC automatic gain control 37AGP accelerated graphics port 38AI analog input 39AI artificial intelligence 40AL access list 41AL active link 42ALE address latch enable 43ALS ambient light sensor 44ALU arithmetic and logical unit 45ALUA asymmetric logical unit access 46AM access method 47AM alignment mask 48AM amplitude modulation 49AMD Advanced Micro Devices Inc 50AMDD Agile model-driven development 51AMI alternate mark inversion 52AMP asymmetric multiprocessing 53AMQP advanced message queuing protocol 54AMT active management technology 55AN Arabic number 56ANR application not responding 57ANSI American National Standards Institute 58AO analog output 59AOC add-on card 60AOL Alert-on-LAN 61AOS add or subtract 62AP access point 63AP application processor 64API application programming interface 65APEI ACPI platform error interface 66APIC advanced programmable interrupt controller 67APIPA automatic private IP addressing 68APM advanced power management 69APM application performance management 70APU accelerated processing unit 71APT advanced persistent threat 72AQM active queue management 73ARAT always running APIC timer 74ARC adaptive replacement cache 75ARC Advanced RISC Computing 76ARC automatic reference counting 77ARM Advanced RISC Machines 78ARP Address Resolution Protocol 79ARPA Advanced Research Projects Agency 80ARQ automatic repeat request 81ARR address range register 82ARU audio response unit 83AS autonomous system 84ASA Adaptive Security Appliance 85ASAN Address Sanitizer 86ASC advanced smart cache 87ASCII American Standard Code for Information Interchange 88ASD agile software development 89ASE advanced software environment 90ASF alert standard format 91ASIC application-specific integrated circuit 92ASK amplitude shift keying 93ASLR address space layout randomization 94ASN autonomous system number 95ASP active server pages 96ASP auxiliary storage pool 97ASPM active state power management 98ASQ automated software quality 99ASR address space register 100AST abstract syntax tree 101AST asynchronous system trap 102AT access time 103AT advanced technology 104ATA advanced technology attachment 105ATAPI advanced technology attachment packet interface 106ATC address translation cache 107ATM asynchronous transfer mode 108ATX advanced technology extended 109AV anti virus 110AVB audio video bridging 111AVL Adelson-Velsky-Landis 112AVX advanced vector extensions 113BA byte align 114BAL basic assembly language 115BAR base address register 116BBS bulletin board system 117BCC blind carbon copy 118BCD binary coded decimal 119BCH boot console handler 120BCR byte count register 121BCS base configuration space 122BD baud 123BDD binary decision diagram 124BDI bit deinterleave 125BDUF big design up front 126BEDO burst extended data output 127BER basic encoding rules 128BER bit error {rate,ratio} 129BERT boot error record table 130BFD binary {file,format} descriptor 131BFKL big fscking kernel lock 132BFS breadth-first search 133BFT binary file transfer 134BGA ball grid array 135BGP Border Gateway Protocol 136BGPSEC BGP Security 137BIND Berkeley Internet Name Daemon 138BIOS Basic Input/Output System 139BIOS built-in operating system 140BIST built-in self-test 141BIU bus interface unit 142BKDG BIOS and kernel developer's guide 143BLAS basic linear algebra subprograms 144BLC back light control 145BLOB binary large object 146BM bus master 147BMC baseboard management controller 148BMIC bus master interface controller 149BN boundary neutral 150BNF Backus-Naur form 151BO binary output 152BOF beginning of file 153BOM beginning of message 154BOM byte order mark 155BP base pointer 156BP boot processor 157BPB BIOS parameter block 158BPDU bridge protocol data unit 159BPF Berkeley Packet Filter 160BPI bits per inch 161BPM business process modelling 162BPS bits per second 163BPSK binary phase shift keying 164BQS Berkeley quality software 165BRE basic regular expression 166BS backspace 167BS binary sequence 168BSA basic service area 169BSD Berkeley Software Distribution 170BSDP Boot Service Discovery Protocol 171BSF bit scan forward 172BSOD blue screen of death 173BSP binary space partition 174BSP board support package 175BSP bootstrap processor 176BSR bit scan reverse 177BSS basic service set 178BSS block started by symbol 179BSSID basic service set identifier 180BT BitTorrent 181BT Bluetooth 182BT bit test 183BTC bit test [and] complement 184BTM bus transport mechanism 185BTR bit test [and] reset 186BTS bit test [and] set 187BTS bug tracking system 188BW bandwidth 189BWM block-write mode 190BUAG big ugly ASCII graphic 191CA certificate authority 192CAD computer-aided design 193CAM computer assisted manufacturing 194CAM conditional access module 195CAM content addressable memory 196CARP Common Address Redundancy Protocol 197CAS column address strobe 198CAS compare and swap 199CAS computer algebra system 200CASE computer aided software engineering 201CAU control access unit 202CAV constant angular velocity 203CBC cipher block chaining 204CBR constant bit rate 205CC carbon copy 206CCD charge coupled device 207CCI co-channel interferer 208CCNUMA cache-coherent non-uniform memory access 209CCTL command completion time limit 210CD cache disable 211CD compact disc 212CDDA compact disc digital audio 213CDL compiler description language 214CDMA code division multiple access 215CDP Cisco Discovery Protocol 216CDRAM cache dynamic random access memory 217CER canonical encoding rules 218CE customer edge 219CF compact flash 220CFB cipher feedback 221CFG context-free grammar 222CFG control-flow graph 223CFI control-flow integrity sanitizer 224CG control gate 225CGA Color Graphics Adapter 226CGI common gateway interface 227CGN Carrier-Grade NAT 228CHAP Challenge-Handshake Authentication Protocol 229CHS cylinder/head/sector 230CI continuous integration 231CI {common,component} interface 232CIDR Classless Inter-Domain Routing 233CIF common intermediate format 234CIFS Common Internet File System 235CIL common intermediate language 236CIR carrier-to-interference ratio 237CIS contact image sensor 238CISC complex instruction set {computer,computing} 239CJK Chinese, Japanese, [and] Korean 240CLF common log format 241CLI command line interface 242CLR common language runtime 243CLTT closed loop thermal throttling 244CLUT color look-up table 245CLV constant linear velocity 246CM configuration management 247CMA concert multithread architecture 248CMC chassis management controller 249CMC corrected machine check 250CMS {configuration,content,course} management system 251CMI control {management,method} interface 252CMOS complementary metal-oxide-semiconductor 253CMP chip multi-processing 254CMS content management system 255CMYK cyan magenta yellow black 256CN {common,canonical} name 257CNC computer numerical control 258CNR carrier-to-noise ratio 259COF current operating frequency 260COFDM coded orthogonal frequency division multiplexing 261COFF common object file format 262COM component object model 263COM computer on module 264COMA cache-only memory architecture 265CORBA common object request broker architecture 266COS class of service 267COW copy-on-write 268CP continuous pilot 269CPB core performance boost 270CPC central processor complex 271CPC cpu performance counters 272CPE common phase error 273CPE common platform enumeration 274CPER common platform error record 275CPG clock pulse generator 276CPI cycles per instruction 277CPL current privilege level 278CPLD complex programmable logic device 279CPP C preprocessor 280CPS characters per second 281CPS continuation-passing style 282CPT command pass through 283CPU central processing unit 284CR carriage return 285CRC cyclic redundancy check 286CRL carrier recovery loop 287CRLF carriage return line feed 288CRT cathode ray tube 289CRUD create, read, update, and delete 290CS cable select 291CS chip select 292CS code segment 293CS computer science 294CSDL {common,conceptual} schema definition language 295CSI channel state information 296CSI common system interface 297CSMA carrier sense multiple access 298CSMA/CA carrier sense multiple access with collision avoidance 299CSMA/CD carrier sense multiple access with collision detection 300CSP communicating sequential processes 301CSP content security policy 302CSP constrain satisfaction problems 303CSP cryptographic service provider 304CSR control [and] status registers 305CSRG Computer Systems Research Group 306CSS cascading style sheets 307CSV comma-separated values 308CTF compact c type format 309CTM close to metal 310CTR counter [mode] 311CTS clear to send 312CUA common user access 313CUT coordinated universal time 314CV control voltage 315CVE common vulnerabilities and exposures 316CVS Concurrent Versions System 317DA destination address 318DAA distributed application architecture 319DAB digital audio broadcasting 320DAC digital [to] analog converter 321DAC discretionary access control 322DAD duplicate address detection 323DANE DNS-based Authentication of Named Entities 324DAO disk at once 325DAP Directory Access Protocol 326DAT digital audio tape 327DAT dynamic acceleration technology 328DB database 329DBA database administrator 330DBA dynamic bandwidth allocation 331DBB data bus buffer 332DBC design by contract 333DBL dynamic buffer limiting 334DBMS database management system 335DBS database server 336DC direct current 337DCC Direct Client-to-Client 338DCC direct cable connect 339DCD data carrier detect 340DCE data control equipment 341DCE distributed computing environment 342DCIM data center infrastructure management 343DCIM digital camera images 344DCL Digital Command Language 345DCOM distributed component object model 346DCOP Desktop COmmunication Protocol 347DCS data collection systems 348DCT discrete cosine transform 349DCU data cache unit 350DDC display data channel 351DDE dynamic data exchange 352DDK device driver kit 353DDL data description language 354DDR double data rate 355DDS direct digital sound 356DDWG Digital Display Working Group 357DE debugging extensions 358DE desktop environment 359DEA data encryption algorithm 360DEC Digital Equipment Corporation 361DEK data encryption key 362DEP data execution prevention 363DER distinguished encoding rules 364DES Data Encryption Standard 365DF don't fragment 366DFA deterministic finite automaton 367DFC data flow control 368DFS depth first search 369DFS distributed file system 370DFSAN Data Flow Sanitizer 371DFT diagnostic function test 372DFT discrete Fourier transform 373DGL data generation language 374DH Diffie-Hellman 375DHCP Dynamic Host Configuration Protocol 376DIFS distributed inter-frame space 377DIMM dual inline memory module 378DIRT design in real time 379DL diode logic 380DL discrete logarithm 381DL download 382DLCI data link connection identifier 383DLE data link escape 384DLL dynamic link library 385DLP discrete logarithm problem 386DMA direct memory access 387DMI desktop management interface 388DMS document management system 389DMT discrete multitone modulation 390DMU data management layer 391DNARD Digital network appliance reference design 392DND drag and drop 393DNLC directory name lookup cache 394DNS Domain Name System 395DNSSEC DNS Security Extensions 396DOE distributed object environment 397DOF data over fibre 398DOM document object model 399DOS denial of service 400DOS disk operating system 401DP DisplayPort 402DPC deferred procedure call 403DPCM differential pulse code modulation 404DPD dead peer detection 405DPI deep packet inspection 406DPI dots per inch 407DPL descriptor privilege level 408DPS Display PostScript 409DPST display power savings technology 410DRAAS disaster recovery as a service 411DRAM dynamic random access memory 412DRBG deterministic random bit generator 413DRI direct rendering infrastructure 414DRM digital rights management 415DRRS display refresh rate switching 416DS debug store 417DSA digital signature algorithm 418DSAP destination service access point 419DSB double-sideband modulation 420DSDT differentiated system descriptor table 421DSF device special file 422DSL dataset and snapshot layer 423DSL digital subscriber line 424DSL domain specific language 425DSLAM digital subscriber line access multiplexer 426DSN delivery status notification 427DSO dynamic shared object 428DSP digital signal processor 429DSSS direct sequence spread spectrum 430DTD document type definition 431DTE data terminal equipment 432DTE dumb terminal emulator 433DTL diode-transistor logic 434DTLS datagram transport layer security 435DTS digital thermal sensor 436DUT device under test 437DVB digital video broadcasting 438DVCS distributed version control system 439DVD digital versatile disc 440DVFS dynamic voltage and frequency scaling 441DVI device independent 442DVI Digital Visual Interface 443DVR digital video recorder 444E-XER extended XML encoding rules 445EABI embedded-application binary interface 446EAI Email Address Internationalization 447EAI Enterprise Application Integration 448EAP Extensible Authentication Protocol 449EAPOL EAP over Lan 450EBCDIC Extended Binary Coded Decimal Interchange Code 451EBDA Extended BIOS Data Area 452EBNF extended backus-naur form 453EBR extended boot record 454EC elliptic curve 455ECC elliptic curve cryptography 456ECC error correction code 457ECDH elliptic curve Diffie-Hellman 458ECDL elliptic curve discrete logarithm 459ECDLP elliptic curve discrete logarithm problem 460ECDSA elliptic curve digital signature algorithm 461ECL emitter-coupled logic 462ECN explicit congestion notification 463ECP enhanced capability port 464ECS enhanced chip set 465ECS extended configuration space 466EDAC error detection and correction 467EDAT enhanced dynamic acceleration technology 468EdDSA Edwards curve digital signature algorithm 469EDGE explicit data graph execution 470EDID extended display identification data 471EDO extended data out 472EDS electronical data sheet 473EEE energy efficient ethernet 474EEPROM electrically erasable programmable read only memory 475EFI extensible firmware interface 476EFL emitter follower logic 477EFM eight to fourteen modulation 478EFS extent file system 479EGA Enhanced Graphics Adapter 480EGP exterior gateway protocol 481EH extension header 482EIDE enhanced IDE 483EISA extended industry standard architecture 484EINJ error injection table 485ELF executable and linking format 486ELS entry level system 487EMI electro-magnetic interference 488EMP electro-magnetic pulse 489EMR electro-magnetic radiation 490EMACS Editor MACroS 491EOF end of file 492EOI end of interrupt 493EOIS end of interactive support 494EOL end of life 495EOL end of line 496EOT end of transmission 497EPIC explicitly parallel instruction computing 498EPP enhanced parallel port 499EPRML extended partial response, maximum likelihood 500EPROM erasable programmable read only memory 501ERC error recovery control 502ERD emergency recovery disk 503ERD entity relationship diagram 504ERE extended regular expression 505ERST error record serialization table 506ESAN Efficiency Sanitizer 507ESB enterprise service bus 508ESDI enhanced small disk interface 509ESDRAM enhanced synchronous dynamic random access memory 510ESI enclosure services interface 511ESS electronic switching system 512ESS extended service set 513ESSID extended service set identifier 514EST enhanced speedstep 515ETL extract, transform, load 516EU execution unit 517EULA end user license agreement 518FAT file allocation table 519FBRAM frame buffer random access memory 520FCIF full common intermediate format 521FCL fiber channel loop 522FCS frame check sequence 523FDC floppy disk controller 524FDD floppy disk drive 525FDDI fiber distributed data interface 526FDE full disk encryption 527FDT flattened device tree 528FEA finite element analysis 529FEC forward error correction 530FET field-effect transistor 531FF finite field 532FF form feed 533FFDH finite-field Diffie-Hellman 534FFH functional fixed hardware 535FFI foreign function interface 536FFM focus follows mouse 537FFS Fast File System 538FFS find first set 539FFT fast Fourier transform 540FG floating gate 541FHSS frequency hop spread spectrum 542FID frequency identifier 543FIFO first in, first out 544FILO first in, last out 545FIPS Federal Information Processing Standards 546FIR fast infrared 547FLOPS floating [point] operations per second 548FLOSS free/libre/open source software 549FM frequency modulation 550FMR false match rate 551FOSS free/open source software 552FPGA field programmable gate array 553FPM fast page mode 554FPR floating point register 555FPU floating point unit 556FQDN fully qualified domain name 557FRR false rejection rate 558FRU field replaceable unit 559FS file system 560FSB front side bus 561FSCK file system check 562FSF Free Software Foundation 563FSK frequency shift keying 564FSM finite-state machine 565FTA fault tree analysis 566FTL flash translation layer 567FTP File Transfer Protocol 568FTPS File Transfer Protocol Secure 569FUS fast user switching 570FWH firmware hub 571FWS folding white space 572GAL generic array logic 573GAS generic address structure 574GC garbage collector 575GCM Galois counter mode 576GCR group-coded recording 577GDI Graphics Device Interface 578GDT global descriptor table 579GEM graphics environment manager 580GEM graphics execution manager 581GENA general event notification architecture 582GHC Glasgow Haskell compiler 583GHES generic hardware error source 584GIC generic interrupt controller 585GID group identifier 586GIF graphics interchange format 587GMCH graphics and memory controller hub 588GNU GNU's Not Unix 589GOP graphics output protocol 590GOT global offset table 591GPE general purpose event 592GPF general protection fault 593GPG GNU Privacy Guard 594GPL [GNU] General Public License 595GPR general purpose register 596GPS generalized processor sharing 597GPT GUID partition table 598GPU graphics processing unit 599GR golden ratio 600GRE generic routing encapsulation 601GSI global system interrupt 602GUI graphical user interface 603GUID globally unique identifier 604GVFS git virtual file system 605HA high availability 606HAL hardware abstraction layer 607HAT hashed array tree 608HATEOAS hypermedia as the engine of application state 609HBA host bus adapter 610HCF halt and catch fire 611HCI host controller interface 612HCI human-computer interaction 613HCL hardware compatibility list 614HDCP High-bandwidth Digital Content Protection 615HDD hard disk drive 616HDL hardware description language 617HDMI High-Definition Multimedia Interface 618HDTV high-definition television 619HECI host embedded controller interface 620HEST hardware error source table 621HF high frequency 622HFM highest frequency mode 623HFS hierarchical file system 624HID human interface device 625HKP HTTP Keyserver Protocol 626HLL high-level language 627HMA high memory area 628HMI human-machine interface 629HOOD hierarchical object oriented design 630HP Hewlett-Packard 631HPC high performance computing 632HPET high precision event timer 633HSM hardware security module 634HSM hierarchical storage management 635HT hyper-threading 636HTC hardware thermal control 637HTCC high temperature co-fired ceramic 638HTML HyperText Markup Language 639HTT hyper-threading technology 640HTTP Hypertext Transfer Protocol 641HTTPS Hypertext Transfer Protocol Secure 642HVM hardware virtual machine 643HVDS High-Voltage Differential Signaling 644HWASAN Hardware-assisted Address Sanitizer 645HZ Hertz 646I2O intelligent input/output 647IA information assurance 648IAAS infrastructure as a service 649IANA Internet Assigned Numbers Authority 650IBC iterated block cipher 651IBM International Business Machines 652IBS instruction based sampling 653IBSS independent basic service set 654IC integrated circuit 655ICA independent computer architecture 656ICB Internet Citizen's Band 657ICE in-circuit emulator 658ICE internal compiler error 659ICH I/O controller hub 660ICMP Internet Control Message Protocol 661ICT information and communications technology 662ICW initialization command word 663IDA Intel dynamic acceleration 664IDCMP Intuition direct communication message port 665IDE integrated development environment 666IDE integrated drive electronics 667IDPS intrusion detection [and] prevention system 668IDRP inter-domain routing protocol 669IDS intrusion detection system 670IDT interrupt descriptor table 671IE Internet Explorer 672IEC International Electrotechnical Commission 673IEEE Institute of Electrical and Electronics Engineers 674IESG Internet Engineering Steering Group 675IETF Internet Engineering Task Force 676IF intermediate frequency 677IFCM isochronous flow control mode 678IFF Interchange File Format 679IFS internal field separator 680IGD Internet gateway device 681IGMP Internet Group Management Protocol 682IGP interior gateway protocol 683IHV independent hardware vendor 684IKE Internet key exchange 685ILM internal loopback mode 686ILOM integrated lights-out management 687ILP instruction level parallelism 688IM instant messaging 689IMAP Internet Message Access Protocol 690IMC integrated memory controller 691IMCR interrupt mode configuration register 692IMR interrupt mask register 693IMS information management system 694IMSI international mobile subscriber identity 695INCITS InterNational Committee for Information Technology Standards 696IO input/output 697IOCTL input/output control 698IOM input/output managers 699IOMMU input/output memory management unit 700IOT Internet of Things 701IP Internet Protocol 702IP intellectual property 703IPC instructions per cycle 704IPC interprocess communication 705IPCF interprocess communication facility 706IPE integrated programming environment 707IPI intelligent peripheral interface 708IPI interprocessor interrupt 709IPL Initial Program Load 710IPL Interrupt Priority Level 711IPMB Intelligent Platform Management Bus 712IPMI Intelligent Platform Management Interface 713IPNG Internet Protocol, Next Generation 714IPS in-plane switching 715IPS intrusion prevention system 716IPSEC Internet Protocol Security 717IRC Internet Relay Chat 718IRDA infrared data association 719IRQ interrupt request 720IRQL interrupt request level 721IRR interrupt request register 722IRTF Internet Research Task Force 723IS information system 724ISA industry standard architecture 725ISA instruction set architecture 726ISE instant secure erase 727ISDN integrated services digital network 728ISI inter-symbol interference 729ISL initial system load 730ISM industrial, scientific, [and] medical 731ISN initial serial number 732ISO International Standards Organization 733ISOC Internet Society 734ISP Internet service provider 735ISR in-service register 736ISR interrupt service routine 737IST interrupt stack table 738ISV independent software vendor 739IT information technology 740ITB Intel Turbo Boost 741ITIL information technology infrastructure library 742ITP in-target probe 743ITSM IT service management 744IV initialization vector 745IVT interrupt vector table 746JBOD just a bunch of disks 747JCL Job Control Language 748JFET junction [gate] field-effect transistor 749JIT just in time 750JPEG Joint Photographic Experts Group 751JRE Java Runtime Environment 752JSON JavaScript Object Notation 753JTAG joint test action group 754KASLR kernel address space layout randomization 755KB keyboard 756KB kilobyte 757KBD keyboard 758KBD kilobaud 759KCS keyboard controller style 760KLOC thousand lines of code 761KMS kernel-mode setting 762KPI kernel programming interface 763KVA kernel virtual address 764KVM kernel virtual machine 765KVM kernel virtual memory 766KVM keyboard, video, [and] mouse 767L2CAP link layer control and adaptation protocol 768LAMP Linux Apache MySQL {Perl,PHP,Python} 769LAN local area network 770LAPIC local advanced programmable interrupt controller 771LAR load access rights 772LBA logical block addressing 773LBNF labeled backus-naur form 774LBS location-based service 775LCD liquid crystal display 776LCP link control protocol 777LDA local delivery agent 778LDAP Lightweight Directory Access Protocol 779LDR light-dependent resistor 780LDT local descriptor table 781LE logical extent 782LED light emitting diode 783LELL low energy link layer 784LER label edge router 785LF line feed 786LF low frequency 787LFM lowest frequency mode 788LFN long file names 789LFO low-frequency oscillation 790LFS log-structured file system 791LFU least frequently used 792LHP loop heat pipe 793LIF logical interchange format 794LIFO last in, first out 795LILO LInux LOader 796LILO last in, last out 797LINT local interrupt 798LIR local Internet registry 799LISP LISt Processor 800LISP Locator/ID Separation Protocol 801LKM {Linux,loadable} kernel module 802LKML Linux kernel mailing list 803LL load linked 804LL/SC load linked/store conditional 805LLC logical link control 806LLD low-level design 807LLDD low-level design document 808LLDP link layer discovery protocol 809LLF low level format 810LLMNR link-local multicast name resolution 811LLVM Low Level Virtual Machine 812LM long mode 813LMI local management interface 814LMM link management mode 815LMP link management protocol 816LNO loop nest optimization 817LOC lines of code 818LOM lights-out management 819LPE Linux performance events 820LPC low pin count 821LPS local positioning system 822LRC longitudinal redundancy check 823LRM left-to-right mark 824LRO left-to-right override 825LRU least recently used 826LS link state 827LSAN Leak Sanitizer 828LSB Linux standards base 829LSB least significant {bit,byte} 830LSI large scale integration 831LSL load segment limit 832LSM log structured merge 833LSN Large Scale NAT 834LSN log sequence number 835LSR label switch router 836LTCC low temperature co-fired ceramic 837LTO linear tape-open 838LTO link time optimization 839LTR left to right 840LTR load task register 841LTR letter(-sized paper) 842LTS long term support 843LUA Lua Uppercase Accident 844LUN logical unit number 845LV logical volume 846LVM logical volume management 847LVT local vector table 848LVDS Low-Voltage Differential Signaling 849LWP light-weight process 850LZSS Lempel Ziv Storer Szymanski 851LZW Lempel Ziv Welch 852MAC mandatory access control 853MAC {media,medium} access control 854MAC message authentication {check,code} 855MADT multiple APIC descriptor table 856MB megabyte 857MBA multi-boot agent 858MBR master boot record 859MBS megabits per second 860MC memory controller 861MCA machine check architecture 862MCA MicroChannel architecture 863MCC multiversion concurrency control 864MCE machine check exception 865MCGA Multi-Color Graphics Array 866MCH memory controller hub 867MCM multi-chip module 868MCQ memory controlled queue 869MD machine-dependent 870MD-SAL model-driven service abstraction layer 871MDA mail delivery agent 872MDA Monochrome Display Adapter 873MDC Management Data Clock 874MDI Medium Dependent Interface 875MDI-X Medium Dependent Interface Crossover 876MDIO Management Data Input/Output 877MDMX MIPS Digital Media eXtension 878MDRAM multibank dynamic random access memory 879MESI modified, exclusive, shared, invalid 880MFC merge from current 881MFC Microsoft Foundation Classes 882MFM modified frequency modulation 883MFU most frequently used 884MGCP media gateway control protocol 885MI machine-independent 886MI machine interface 887MIB management information base 888MIC message integrity {check,code} 889MID mobile Internet device 890MIDI musical instrument digital interface 891MIF management information format 892MII media independent interface 893MIM man in the middle 894MIMD multiple instruction, multiple data 895MIME Multipurpose Internet Mail Extensions 896MIMO multiple input multiple output 897MIPS million instructions per second 898MIPS Microprocessor without Interlocked Pipeline Stages 899MISD multiple instruction, single data 900MIT Massachusetts Institute of Technology 901MITM man in the middle 902ML machine language 903ML machine learning 904ML mailing list 905ML markup language 906ML maximum likelihood 907MLC multi-level cell 908MLD multicast listener discovery 909MLHP micro loop heat pipe 910MMF multi-mode fiber 911MMIC monolithic microwave integrated circuit 912MMIO memory mapped input/output 913MMORPG massive multiplayer online role playing game 914MMU memory management unit 915MMX matrix math extension 916MMX multimedia extension 917MMX multiple math extension 918MO magneto-optical 919MOESI modified, owned, exclusive, shared, invalid 920MOF maximum operating frequency 921MOSFET metal-oxide-semiconductor field-effect transistor 922MOSI modified, owned, shared, invalid 923MP multi-platform 924MP multiplayer 925MP {multiprocessing,multiprocessor} 926MPEG moving picture experts group 927MPI message passing interface 928MPLS Multiprotocol Label Switching 929MPP massively parallel processor 930MPS memory pool system 931MPS multiprocessor specification 932MQTT Message Queuing Telemetry Transport 933MR modem ready 934MRU most recently used 935MS Microsoft 936MSAN Memory Sanitizer 937MSB most significant {bit,byte} 938MSC message sequence chart 939MSE mean square error 940MSF minutes seconds frames 941MSI message signaled interrupt 942MSI modified, shared, invalid 943MSR {machine state,model-specific} register 944MSS maximum segment size 945MSTP Multiple Spanning Tree Protocol 946MT machine translation 947MTA mail transfer agent 948MTBF mean time between failures 949MTP media transfer protocol 950MTRR memory type range register 951MTTF mean time to failure 952MTU maximum transmission unit 953MUA mail user agent 954MUD multi-user domain 955MVCC multiversion concurrency control 956MWE module width encoding 957MX mail exchange 958NACK negative acknowledgement 959NAK negative acknowledgement 960NAN not a number 961NAPT Network Address Port Translation 962NAS network attached storage 963NAT network address translation 964NAV network allocation vector 965NC numerical control 966NC-SI network controller sideband interface 967NCO numerically-controlled oscillator 968NCP Network Control Protocol 969NCSI network connectivity status indicator 970NCQ native command queuing 971ND neighbor discovery 972NDFA nondeterministic finite automaton 973NE numeric error 974NEWS Network extensible Window System 975NFA nondeterministic finite automaton 976NFC near-field communication 977NFCI no functional change intended 978NFS network file system 979NFV network function virtualization 980NIA next instruction address 981NIC network information center 982NIC network interface card 983NIDS network intrusion detection system 984NIP network interface protocol 985NIPS network intrusion prevention system 986NIS network information service 987NIST National Institute of Standards and Technology 988NLS native language support 989NMI non-maskable interrupt 990NNTP Network News Transfer Protocol 991NOC network operations center 992NOP no operation 993NOS network operating system 994NP nondeterministic polynomial time 995NRND not recommended for new designs 996NRZ non-return to zero 997NSA nation-state adversary 998NSA no such agency 999NSA National Security Agency 1000NTM non-deterministic Turing machine 1001NTP Network Time Protocol 1002NUMA non-uniform memory access 1003NVMM NetBSD Virtual Machine Monitor 1004NVMM non-volatile main memory 1005NVRAM non-volatile random access memory 1006NW not write-through 1007NX no execute 1008OAEP optimal asymmetric encryption padding 1009OAM operations, administration, and {management,maintenance} 1010OBO off by one 1011OBOE off by one error 1012OCL object constraint language 1013OCR optical character recognition 1014ODE offline device environment 1015ODM object data manager 1016ODCM on-demand clock modulation 1017ODT on-die termination 1018OEM original equipment manufacturer 1019OFB output feedback 1020OFDM orthogonal frequency division multiplexing 1021OFET organic field-effect transistor 1022OLAP online analytical processing 1023OLE object linking and embedding 1024OLTP online transaction processing 1025ONFI open nand flash interface 1026OO OpenOffice 1027OO object oriented 1028OOB out of band 1029OOE out of order execution 1030OOM out of memory 1031OOO OpenOffice.org 1032OOP object oriented programming 1033OOPS object oriented programming systems 1034OOSE object oriented software engineering 1035OPM operations per minute 1036OPS operations per second 1037OQL Object Query Language 1038ORB object request broker 1039ORM object-relational mapping 1040OS operating system 1041OSD open source definition 1042OSF open software foundation 1043OSI Open Source Initiative 1044OSI open systems interconnection 1045OSPF open shortest path first 1046OSPM OS power management 1047OSS open sound system 1048OSS open source software 1049OSVW operating system visible workarounds 1050OTP one time password 1051OTP open telecom platform 1052OU organizational unit 1053OUI organizationally unique identifier 1054OWL Web Ontology Language 1055P2P PCI to PCI 1056P2P peer to peer 1057PA phase accumulator 1058PA physical address 1059PAAS platform as a service 1060PAC phase-amplitude converter 1061PAE physical address extension 1062PAL phase alternating line 1063PAL programmable array logic 1064PAM pluggable authentication modules 1065PAM pulse amplitude modulation 1066PAP password authentication protocol 1067PAT page attribute table 1068PAT port address translation 1069PATA parallel ATA 1070PAX portable archive exchange 1071PBE pending break encoding 1072PBE programming by example 1073PC personal computer 1074PC program counter 1075PCB printed circuit board 1076PCB process control block 1077PCB Protocol Control Block 1078PCC Portable C Compiler 1079PCD page-level cache disable 1080PCE path computation element 1081PCE performance-monitor counter enable 1082PCEP Path Computation Element Protocol 1083PCH platform controller hub 1084PCI peripheral component interconnect 1085PCM phase change memory 1086PCM pulse code modulation 1087PCMCIA Personal Computer Memory Card International Association 1088PCP Port Control Protocol 1089PD public domain 1090PDA personal digital assistant 1091PDA pushdown automaton 1092PDAG propositional directed acyclic graph 1093PDB power distribution board 1094PDF portable document format 1095PDM pulse-duration modulation 1096PDN pull-down network 1097PDP page {descriptor,directory} page 1098PDS product data sheet 1099PDU protocol data unit 1100PE protection enable 1101PE provider edge 1102PEAP Protected EAP 1103PECI platform environment control interface 1104PEP protocol extension protocol 1105PER packed encoding rules 1106PFS perfect forward secrecy 1107PGAS partitioned global address space 1108PGE page global enable 1109PGP Pretty Good Privacy 1110PHB PCI host bridge 1111PHP PHP: Hypertext Preprocessor 1112PIC performance instrumentation counters 1113PIC position independent code 1114PIC programmable interrupt controller 1115PICNIC problem in chair, not in computer 1116PID process id 1117PIE position independent executable 1118PIL Priority Interrupt Level 1119PIM personal information manager 1120PIM platform-independent model 1121PIO programmed input/output 1122PIPT physically indexed, physically tagged 1123PIQ prefetch input queue 1124PIT programmable interrupt timer 1125PIV personal identity verification 1126PIX Private Internet eXchange 1127PKCS public-key cryptography standards 1128PKI public key infrastructure 1129PLC programmable logic controller 1130PLD programmable logic device 1131PLL phase locked loop 1132PLRU pseudo LRU 1133PLTM package level thermal management 1134PM power management 1135PM {phase,pulse} modulation 1136PMC performance monitoring counters 1137PME power management event 1138PMEG page map entry group 1139PMI performance monitoring infrastructure 1140PMI platform management interrupt 1141PMIC power management integrated circut 1142PMIO port-mapped input/output 1143PMT photo-multiplier tube 1144PMU performance monitoring units 1145PMU power management unit 1146PNG portable network graphics 1147PNP plug and play 1148POE power over ethernet 1149POF probability of failure 1150POP Post Office Protocol 1151POP power on password 1152POSIX Portable Operating System Interface [for Unix] 1153POST power on self test 1154POTS plain old telephone system 1155POWER Performance Optimization With Enhanced RISC 1156POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1157PP pair programming 1158PPB PCI [to] PCI bridge 1159PPC PowerPC 1160PPC Power Performance Computing 1161PPI pixels per inch 1162PPM pages per minute 1163PPP Point-to-Point Protocol 1164PPPOA Point-to-Point Protocol over ATM 1165PPPOE Point-to-Point Protocol over Ethernet 1166PPU physics processing unit 1167PRAM Parameter RAM 1168PRBS pseudorandom bit sequence 1169PRG pseudorandom generator 1170PRF pseudorandom function [family] 1171PRML partial response, maximum likelihood 1172PRN pseudorandom {noise,number} 1173PRNG pseudorandom number generator 1174PROM programmable read only memory 1175PRP pseudorandom permutation 1176PRU Programmable Realtime Unit 1177PS PostScript 1178PSD power spectral density 1179PSE page size extensions 1180PSK phase shift keying 1181PSK pre-shared key 1182PSTN public switched telephone network 1183PSW program status word 1184PTE page table entry 1185PTLA pseudo top level aggregator 1186PTP page table page 1187PTV perceived target value 1188PU processing unit 1189PUC personal unblocking code 1190PUN physical unit number 1191PV physical volume 1192PVC permanent virtual circuit 1193PVG physical volume group 1194PVI protected-mode virtual interrupt 1195PVST Per-VLAN Spanning Tree 1196PWM pulse width modulation 1197PXE preboot execution environment 1198QA quality assurance 1199QAM quadrature amplitude modulation 1200QAM quality assurance management 1201QBE query by example 1202QC quality control 1203QDI quasi delay insensitive 1204QCIF quarter common intermediate format 1205QOS quality of service 1206QVL qualified vendor list 1207R/O read only 1208R/W read/write 1209RA receiver address 1210RA remote assistance 1211RA resource affinity 1212RA router advertisement 1213RAD rapid application development 1214RAID redundant array of {independent,inexpensive} disks 1215RAM random access memory 1216RAS reliability, availability and serviceability 1217RAS remote access service 1218RAS restartable atomic sequence 1219RAS row address strobe 1220RBF radial basis function 1221RBNF routing backus-naur form 1222RBT red-black tree 1223RC release candidate 1224RC remote control 1225RC run commands 1226RCS Revision Control System 1227RCS revision control system 1228RCU read, copy, update 1229RDB Rigid Disk Block 1230RDBMS relational database management system 1231RDF Resource Description Framework 1232RDM relational data model 1233RDMA remote direct memory access 1234RDRAM Rambus DRAM 1235RE regular expression 1236REST representational state transfer 1237RF radio frequency 1238RFI radio frequency interference 1239RFO request for ownership 1240RFU reserved for future use 1241RGB red green blue 1242RGBA red green blue alpha 1243RGMII reduced gigabit media independent interface 1244RH read hit 1245RHEL Red Hat Enterprise Linux 1246RHL Red Hat Linux 1247RIB routing information base 1248RIFF Resource Interchange File Format 1249RIP Raster Image Processor 1250RIP Routing Information Protocol 1251RIR regional Internet registry 1252RISC reduced instruction set {computer,computing} 1253RKM ROM Kernel Manual 1254RLE run length encoding 1255RLL run length limited 1256RLO right-to-left override 1257RM read miss 1258RMCP Remote Management Control Protocol 1259RMI remote method invocation 1260RMO Relaxed Memory Ordering 1261RMPM rapid memory power management 1262RMS root mean square 1263RMW read, modify, write 1264RNG random number generator 1265ROM read only memory 1266RPC remote procedure call 1267RPKI resource PKI 1268RPL requested privilege level 1269RPM revolutions per minute 1270RPN reverse Polish notation 1271RPVST Rapid Per-VLAN Spanning Tree 1272RR random replacement 1273RR round robin 1274RS relay station 1275RSA Rivest, Shamir, [and] Adleman 1276RSIP Realm Specific IP 1277RSN Robust Secure Network 1278RSS really simple syndication 1279RSS residual sum of squares 1280RSTP Rapid Spanning Tree Protocol 1281RT real time 1282RTC real time clock 1283RTC real time computing 1284RTF rich text format 1285RTL register transfer language 1286RTL resistor-transistor logic 1287RTL right to left 1288RTOS real time operating system 1289RTS request to send 1290RTT round trip time 1291RUP rational unified process 1292RW Rabin-Williams 1293RWM read-write memory 1294RX {receive,receiver} 1295S/PDIF Sony/Philips Digital Interface Format 1296SA security advisory 1297SA security association 1298SA source address 1299SA structured analysis 1300SAAS software as a service 1301SACD super audio compact disc 1302SAD security association database 1303SAL {service,system} abstraction layer 1304SAM serial access memory 1305SAM sum addressed memory 1306SAML security assertion markup language 1307SAN storage area network 1308SAP service access point 1309SAPIC streamlined advanced programmable interrupt controller 1310SASD structured analysis, structured design 1311SASI Shugart Associates System Interface 1312SASL simple authentication [and] security layer 1313SATA serial advanced technology attachment 1314SAX simple API for XML 1315SB sound blaster 1316SBU standard build unit 1317SC store conditional 1318SCA source code analyzer 1319SCADA supervisory control and data acquisition 1320SCC single chip cloud 1321SCC source code control 1322SCCS Source Code Control System 1323SCI scalable coherent interface 1324SCI system control interrupt 1325SCM software configuration management 1326SCM source code management 1327SCM storage-class memory 1328SCO synchronous connection orientated 1329SCP secure copy 1330SCSI Small Computer System Interface 1331SCTP Stream Control Transmission Protocol 1332SDEI software delegated exception interface 1333SDI symbol deinterleave 1334SDK software development kit 1335SDL Simple Declarative Language 1336SDL Simple Direct-media Layer 1337SDLC {software,system,systems} development life cycle 1338SDN software defined networking 1339SDP Session Description Protocol 1340SDRAM synchronous dynamic random access memory 1341SDS software defined storage 1342SDT syntax-directed translation 1343SEA synchronous external abort 1344SEGV segmentation violation 1345SED self-encrypting drive 1346SED stream editor 1347SEO search engine optimization 1348SES SCSI enclosure services 1349SFC sequential function chart 1350SFI simple firmware interface 1351SFI software fault isolation 1352SFTP SSH File Transfer Protocol 1353SFTP Serial File Transfer Protocol 1354SFTP Simple File Transfer Protocol 1355SGMII serial gigabit media independent interface 1356SGRAM synchronous graphics random access memory 1357SHA secure hash algorithm 1358SIDH supersingular isogeny Diffie-Hellman 1359SIEM security information and event management 1360SIF source input format 1361SIFS short inter-frame space 1362SIM subscriber identity module 1363SIMD single instruction, multiple data 1364SIMM single inline memory module 1365SIP Session Initiation Protocol 1366SIR signal-to-interference ratio 1367SIR slow infrared 1368SISD single instruction, single data 1369SLAAC stateless address auto-configuration 1370SLC single-level cell 1371SLDRAM synchronous-link dynamic random access memory 1372SLED single large expensive disk 1373SLI scalable link interface 1374SLI scan-line interleave 1375SLIC system license internal code 1376SLOC source lines of code 1377SLRU segmented LRU 1378SMA smart memory access 1379SMAF system management action field 1380SMAP Simple Mail Access Protocol 1381SMAP supervisor mode access prevention 1382SMART self-monitoring analysis and reporting technology 1383SMB Server Message Block 1384SMB system management bus 1385SMBIOS System Management BIOS 1386SMC system management controller 1387SMD storage module device 1388SMEP supervisor mode execution protection 1389SMF single mode fiber 1390SMI structure of management information 1391SMI system management interrupt 1392SMM system management mode 1393SMP serial management protocol 1394SMP symmetric multiprocessing 1395SMT simultaneous multithreading 1396SMTP Simple Mail Transfer Protocol 1397SMU system management unit 1398SNA systems network architecture 1399SNAP Sub-Network Access Protocol 1400SNIA Storage Networking Industry Association 1401SNMP Simple Network Management Protocol 1402SNR signal-to-noise ratio 1403SOA service oriented architecture 1404SOAP Simple Object Access Protocol 1405SOC system on chip 1406SOF start of frame 1407SOH start of header 1408SOHO small office/home office 1409SOL serial over LAN 1410SOM system on module 1411SP service pack 1412SP stack pointer 1413SPA storage pool allocator 1414SPARC scalable processor architecture 1415SPARQL SPARQL Protocol and RDF Query Language 1416SPD security policy database 1417SPD serial presence detect 1418SPDIF Sony/Philips digital interface format 1419SPI serial peripheral interface 1420SPI stateful packet inspection 1421SPL system interrupt priority level 1422SPL spinlock 1423SPMD single process, multiple data 1424SPR special purpose register 1425SPT sectors per track 1426SQA software quality assurance 1427SQCIF sub quarter common intermediate format 1428SQL Structured Query Language 1429SRAM static random access memory 1430SRC sample rate conversion 1431SRP SCSI RDMA protocol 1432SS self-snoop 1433SS stack segment 1434SSA static single assignment 1435SSAP source service access point 1436SSB single-sideband modulation 1437SSD solid state drive 1438SSE streaming SIMD extensions 1439SSFDC solid state floppy disc card 1440SSH secure shell 1441SSI server side includes 1442SSID service set identifier 1443SSL secure sockets layer 1444SSP stack smashing protection 1445STC software thermal control 1446STD state transition diagram 1447STOMP Streaming Text Oriented Messaging Protocol 1448STP Spanning Tree Protocol 1449STP shielded twisted pair 1450SUN Stanford University Network 1451SUS Single Unix Specification 1452SUT system under test 1453SVC switched virtual circuit 1454SVG scalable vector graphics 1455SVGA Super Video Graphics Array 1456SVI {switch,switched} virtual interface 1457SVM secure virtual machine 1458SVM support vector machine 1459SVR System V Release 1460SVS Separate Virtual Space 1461SWF Shockwave Flash 1462SWIG simplified wrapper [and] interface generator 1463SYR symbol timing recovery 1464TA test assertion 1465TA transmitter address 1466TAI international atomic time 1467TAO track at once 1468TAOCP The Art of Computer Programming 1469TAP Test Anything Protocol 1470TAS test and set 1471TB terabyte 1472TBNF transitional backus-naur form 1473TCB trace capture buffer 1474TCB trusted computing base 1475TCC thermal control circuit 1476TCL tool command language 1477TCP Transmission Control Protocol 1478TCQ tagged command queueing 1479TDC time [to] digital converter 1480TDD test-driven development 1481TDD time division duplex 1482TDM time division multiplexing 1483TDMA time division multiple access 1484TDOA time difference of arrival 1485TDP thermal design {point,power} 1486TECO Text Editor and Corrector 1487TFT thin film transistor 1488TFTP Trivial File Transfer Protocol 1489TIAS try it and see 1490TIFF tagged image file format 1491TITS try it to see 1492TK temporal key 1493TKIP Temporal Key Integrity Protocol 1494TLA top level aggregator 1495TLB translation lookaside buffer 1496TLD top level domain 1497TLER time-limited error recovery 1498TLI transport layer interface 1499TLS thread local storage 1500TLS transport layer security 1501TM Turing machine 1502TM thermal monitor 1503TMG transmogrifier 1504TMDS transition minimized differential signaling 1505TMO timeout 1506TOD time of day 1507TOS terms of service 1508TOS trusted operating system 1509TOS type of service 1510TP transaction processing 1511TPI tracks per inch 1512TPM transactions per minute 1513TPM trusted platform module 1514TPR task priority register 1515TPS transactions per second 1516TPS transmission parameters signaling 1517TR task register 1518TR token ring 1519TRL timing recovery loop 1520TRNG true random number generator 1521TS terminal services 1522TS time series 1523TS time stamp 1524TS transport stream 1525TSAN Thread Sanitizer 1526TSC time stamp counter 1527TSD time stamp disable 1528TSDB time series database 1529TSL test, set, lock 1530TSO time sharing option 1531TSO Total Store Ordering 1532TSP Time-Stamp Protocol 1533TSP Tunnel Setup Protocol 1534TSP time synchronization protocol 1535TSP traveling salesman problem 1536TSS task state segment 1537TTL time to live 1538TTL transistor-transistor logic 1539TTM translation table maps 1540TTY teletype 1541TUI {terminal,text-based,textual} user interface 1542TX {transmit out,transmitter} 1543TXG transaction group 1544TZ time zone 1545UAC user {access,account} control 1546UAF use-after-free 1547UART universal asynchronous receiver/transmitter 1548UAT user acceptance testing 1549UB undefined behavior 1550UBSAN Undefined Behavior Sanitizer 1551UC uncacheable 1552UCS uniform-cost search 1553UCS unified computing system 1554UCS universal coded character set 1555UDMA ultra DMA 1556UDO ultra density optical 1557UDP User Datagram Protocol 1558UEFI unified extensible firmware interface 1559UFS Unix File System 1560UGA universal graphics adapter 1561UI unit interval 1562UI user interface 1563UICC universal integrated circuit card 1564UID unique identifier 1565UID user identifier 1566UL upload 1567UMA uniform memory access 1568UMA upper memory area 1569UMB upper memory block 1570UML unified modeling language 1571UMPC ultra-mobile PC 1572UPNP universal plug and play 1573UPS uninterruptible power supply 1574URI uniform resource identifier 1575URL uniform resource locator 1576URN uniform resource name 1577USART universal synchronous/asynchronous receiver/transmitter 1578USB universal serial bus 1579USWC uncacheable speculative write combining 1580UT unit test 1581UTC coordinated universal time 1582UTF unicode transformation formats 1583UTP unshielded twisted pair 1584UUCP Unix-to-Unix Copy Protocol 1585UUID universally unique identifier 1586UUOC useless use of cat 1587UUT unit under test 1588UX user experience 1589VA vertical alignment 1590VA virtual address 1591VA volt-ampere 1592VAX virtual address extension 1593VB Visual Basic 1594VCA variable-gain amplifier 1595VCC common collector voltage 1596VCCP virtual chassis control protocol 1597VCF voltage-controlled filter 1598VCM virtual channel memory 1599VCO voltage-controlled oscillator 1600VCP virtual chassis port 1601VCS version control system 1602VESA Video Electronics Standards Association 1603VFO variable-frequency oscillator 1604VFS virtual file system 1605VG volume group 1606VGA Video Graphics Array 1607VHDCI very high density cable interconnect 1608VID {VLAN,voltage level} identifier 1609VIM Vi IMproved 1610VIPT virtually indexed, physically tagged 1611VIVT virtually indexed, virtually tagged 1612VLAN virtual local area network 1613VLIW very long instruction word 1614VLSI very large scale integration 1615VLSM variable length subnet mask 1616VM virtual {machine,memory} 1617VME virtual mode extension 1618VMX vector multimedia extensions 1619VMX virtual machine extensions 1620VOD video on demand 1621VPD vital product data 1622VPN virtual private network 1623VPWS virtual private wire service 1624VR virtual reality 1625VRAM video random access memory 1626VRF virtual routing and forwarding 1627VRM voltage regulator module 1628VRRP Virtual Router Redundancy Protocol 1629VSTP VLAN Spanning Tree Protocol 1630VTP VLAN Trunking Protocol 1631VXFS Veritas file sytem 1632VXVM Veritas volume manager 1633W watt 1634W3C World Wide Web Consortium 1635WAFL write anywhere file layout 1636WAMP Web Application Messaging Protocol 1637WAN wide area network 1638WAP Wireless Application Protocol 1639WAP wireless access point 1640WDM Windows Driver Model 1641WDDM Windows Display Driver Model 1642WDT watchdog timer 1643WEP Wired Equivalent Privacy 1644WFI wait for interrupt 1645WFQ weighted fair queuing 1646WH write hit 1647WIFI wireless fidelity 1648WLAN wireless local area network 1649WM write miss 1650WMI Windows Management Instrumentation 1651WOL Wake-on-LAN 1652WOM Wake-on-Modem 1653WOR Wake-on-Ring 1654WORM write once read many 1655WP WordPerfect 1656WP word processor 1657WP write protect 1658WPA Wi-Fi Protected Access 1659WPA2 Wi-Fi Protected Access II 1660WPS Wi-Fi Protected Setup 1661WRAM window random access memory 1662WS web services 1663WTC write through caching 1664WWAN wireless wide area network 1665WWW world wide web 1666WYSIAYG what you see is all you get 1667WYSIWYG what you see is what you get 1668XBAR crossbar 1669XDMCP X Display Manager control protocol 1670XER XML encoding rules 1671XGA Extended Graphics Array 1672XHR XMLHttpRequest 1673XIP execute in place 1674XML Extensible Markup Language 1675XNA XNA's not acronymed 1676XNS Xerox network systems 1677XOR exclusive or 1678XP extreme programming 1679XSI X/Open System Interface 1680XSL extensible stylesheet language 1681XSS cross site scripting 1682XT extended technology 1683XTI X/Open transport interface 1684XUL XML user interface language 1685YACC yet another compiler compiler 1686YAML YAML ain't markup language 1687YANG yet another next generation 1688YAWPFAPR you are welcome; please file a problem report 1689YP Yellow Pages 1690YTD year to date 1691ZAP ZFS attribute processor 1692ZBR zone bit recording 1693ZFOD zero-filled on demand 1694ZFS zettabyte file system 1695ZIF zero insertion force 1696ZIFS zero insertion force socket 1697ZIL ZFS intent log 1698ZMA zone multicast address 1699ZOI zero one infinity 1700ZOI zone of influence 1701ZPL ZFS Posix layer 1702ZVOL ZFS Volume 1703