acronyms.comp revision 1.265
1$NetBSD: acronyms.comp,v 1.265 2019/06/12 16:49:48 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 64APFS Apple file system 65API application programming interface 66APEI ACPI platform error interface 67APIC advanced programmable interrupt controller 68APIPA automatic private IP addressing 69APM advanced power management 70APM application performance management 71APU accelerated processing unit 72APT advanced persistent threat 73AQM active queue management 74ARAT always running APIC timer 75ARC adaptive replacement cache 76ARC Advanced RISC Computing 77ARC automatic reference counting 78ARM Advanced RISC Machines 79ARP Address Resolution Protocol 80ARPA Advanced Research Projects Agency 81ARQ automatic repeat request 82ARR address range register 83ARU audio response unit 84AS autonomous system 85ASA Adaptive Security Appliance 86ASAN Address Sanitizer 87ASC advanced smart cache 88ASCII American Standard Code for Information Interchange 89ASD agile software development 90ASE advanced software environment 91ASF alert standard format 92ASIC application-specific integrated circuit 93ASK amplitude shift keying 94ASLR address space layout randomization 95ASN autonomous system number 96ASP active server pages 97ASP auxiliary storage pool 98ASPM active state power management 99ASQ automated software quality 100ASR address space register 101ASR Apple software restore 102AST abstract syntax tree 103AST asynchronous system trap 104AT access time 105AT advanced technology 106ATA advanced technology attachment 107ATAPI advanced technology attachment packet interface 108ATC address translation cache 109ATM asynchronous transfer mode 110ATX advanced technology extended 111AV anti virus 112AVB audio video bridging 113AVL Adelson-Velsky-Landis 114AVX advanced vector extensions 115BA byte align 116BAL basic assembly language 117BAR base address register 118BBS bulletin board system 119BCC blind carbon copy 120BCD binary coded decimal 121BCH boot console handler 122BCR byte count register 123BCS base configuration space 124BD baud 125BDD binary decision diagram 126BDI bit deinterleave 127BDUF big design up front 128BEDO burst extended data output 129BER basic encoding rules 130BER bit error {rate,ratio} 131BERT boot error record table 132BFD binary {file,format} descriptor 133BFKL big fscking kernel lock 134BFS breadth-first search 135BFT binary file transfer 136BGA ball grid array 137BGP Border Gateway Protocol 138BGPSEC BGP Security 139BIND Berkeley Internet Name Daemon 140BIOS Basic Input/Output System 141BIOS built-in operating system 142BIST built-in self-test 143BIU bus interface unit 144BKDG BIOS and kernel developer's guide 145BLAS basic linear algebra subprograms 146BLC back light control 147BLOB binary large object 148BM bus master 149BMC baseboard management controller 150BMIC bus master interface controller 151BN boundary neutral 152BNF Backus-Naur form 153BO binary output 154BOF beginning of file 155BOM beginning of message 156BOM byte order mark 157BP base pointer 158BP boot processor 159BPB BIOS parameter block 160BPDU bridge protocol data unit 161BPF Berkeley Packet Filter 162BPI bits per inch 163BPM business process modelling 164BPS bits per second 165BPSK binary phase shift keying 166BQS Berkeley quality software 167BRE basic regular expression 168BS backspace 169BS binary sequence 170BSA basic service area 171BSD Berkeley Software Distribution 172BSDP Boot Service Discovery Protocol 173BSF bit scan forward 174BSOD blue screen of death 175BSP binary space partition 176BSP board support package 177BSP bootstrap processor 178BSR bit scan reverse 179BSS basic service set 180BSS block started by symbol 181BSSID basic service set identifier 182BT BitTorrent 183BT Bluetooth 184BT bit test 185BTC bit test [and] complement 186BTM bus transport mechanism 187BTR bit test [and] reset 188BTS bit test [and] set 189BTS bug tracking system 190BW bandwidth 191BWM block-write mode 192BUAG big ugly ASCII graphic 193CA certificate authority 194CAD computer-aided design 195CAM computer assisted manufacturing 196CAM conditional access module 197CAM content addressable memory 198CARP Common Address Redundancy Protocol 199CAS column address strobe 200CAS compare and swap 201CAS computer algebra system 202CASE computer aided software engineering 203CAU control access unit 204CAV constant angular velocity 205CBC cipher block chaining 206CBR constant bit rate 207CC carbon copy 208CCD charge coupled device 209CCI co-channel interferer 210CCNUMA cache-coherent non-uniform memory access 211CCTL command completion time limit 212CD cache disable 213CD compact disc 214CDDA compact disc digital audio 215CDL compiler description language 216CDMA code division multiple access 217CDP Cisco Discovery Protocol 218CDRAM cache dynamic random access memory 219CER canonical encoding rules 220CE customer edge 221CF compact flash 222CFB cipher feedback 223CFG context-free grammar 224CFG control-flow graph 225CFI control-flow integrity sanitizer 226CG control gate 227CGA Color Graphics Adapter 228CGI common gateway interface 229CGN Carrier-Grade NAT 230CHAP Challenge-Handshake Authentication Protocol 231CHS cylinder/head/sector 232CI continuous integration 233CI {common,component} interface 234CIDR Classless Inter-Domain Routing 235CIF common intermediate format 236CIFS Common Internet File System 237CIL common intermediate language 238CIR carrier-to-interference ratio 239CIS contact image sensor 240CISC complex instruction set {computer,computing} 241CJK Chinese, Japanese, [and] Korean 242CLF common log format 243CLI command line interface 244CLI common language infrastructure 245CLR common language runtime 246CLS common language specification 247CLTT closed loop thermal throttling 248CLUT color look-up table 249CLV constant linear velocity 250CM configuration management 251CMA concert multithread architecture 252CMC chassis management controller 253CMC corrected machine check 254CMS {configuration,content,course} management system 255CMI control {management,method} interface 256CMOS complementary metal-oxide-semiconductor 257CMP chip multi-processing 258CMS content management system 259CMYK cyan magenta yellow black 260CN {common,canonical} name 261CNC computer numerical control 262CNR carrier-to-noise ratio 263COF current operating frequency 264COFDM coded orthogonal frequency division multiplexing 265COFF common object file format 266COM component object model 267COM computer on module 268COMA cache-only memory architecture 269CORBA common object request broker architecture 270COS class of service 271COW copy-on-write 272CP continuous pilot 273CPB core performance boost 274CPC central processor complex 275CPC cpu performance counters 276CPE common phase error 277CPE common platform enumeration 278CPER common platform error record 279CPG clock pulse generator 280CPI cycles per instruction 281CPL current privilege level 282CPLD complex programmable logic device 283CPP C preprocessor 284CPS characters per second 285CPS continuation-passing style 286CPT command pass through 287CPU central processing unit 288CR carriage return 289CRC cyclic redundancy check 290CRL carrier recovery loop 291CRLF carriage return line feed 292CRT cathode ray tube 293CRUD create, read, update, and delete 294CS cable select 295CS chip select 296CS code segment 297CS computer science 298CSDL {common,conceptual} schema definition language 299CSI channel state information 300CSI common system interface 301CSMA carrier sense multiple access 302CSMA/CA carrier sense multiple access with collision avoidance 303CSMA/CD carrier sense multiple access with collision detection 304CSP communicating sequential processes 305CSP content security policy 306CSP constrain satisfaction problems 307CSP cryptographic service provider 308CSR control [and] status registers 309CSRG Computer Systems Research Group 310CSS cascading style sheets 311CSV comma-separated values 312CTF compact c type format 313CTM close to metal 314CTR counter [mode] 315CTS clear to send 316CTS common type system 317CUA common user access 318CUT coordinated universal time 319CV control voltage 320CVE common vulnerabilities and exposures 321CVS Concurrent Versions System 322DA destination address 323DAA distributed application architecture 324DAB digital audio broadcasting 325DAC digital [to] analog converter 326DAC discretionary access control 327DAD duplicate address detection 328DANE DNS-based Authentication of Named Entities 329DAO disk at once 330DAP Directory Access Protocol 331DAT digital audio tape 332DAT dynamic acceleration technology 333DB database 334DBA database administrator 335DBA dynamic bandwidth allocation 336DBB data bus buffer 337DBC design by contract 338DBL dynamic buffer limiting 339DBMS database management system 340DBS database server 341DC direct current 342DCC Direct Client-to-Client 343DCC direct cable connect 344DCD data carrier detect 345DCE data control equipment 346DCE distributed computing environment 347DCIM data center infrastructure management 348DCIM digital camera images 349DCL Digital Command Language 350DCOM distributed component object model 351DCOP Desktop COmmunication Protocol 352DCS data collection systems 353DCT discrete cosine transform 354DCU data cache unit 355DDC display data channel 356DDE dynamic data exchange 357DDK device driver kit 358DDL data description language 359DDR double data rate 360DDS direct digital sound 361DDWG Digital Display Working Group 362DE debugging extensions 363DE desktop environment 364DEA data encryption algorithm 365DEC Digital Equipment Corporation 366DEK data encryption key 367DEP data execution prevention 368DER distinguished encoding rules 369DES Data Encryption Standard 370DF don't fragment 371DFA deterministic finite automaton 372DFC data flow control 373DFS depth first search 374DFS distributed file system 375DFSAN Data Flow Sanitizer 376DFT diagnostic function test 377DFT discrete Fourier transform 378DGL data generation language 379DH Diffie-Hellman 380DHCP Dynamic Host Configuration Protocol 381DIFS distributed inter-frame space 382DIMM dual inline memory module 383DIRT design in real time 384DL diode logic 385DL discrete logarithm 386DL download 387DLCI data link connection identifier 388DLE data link escape 389DLL dynamic link library 390DLP discrete logarithm problem 391DMA direct memory access 392DMI desktop management interface 393DMS document management system 394DMT discrete multitone modulation 395DMU data management layer 396DNARD Digital network appliance reference design 397DND drag and drop 398DNLC directory name lookup cache 399DNS Domain Name System 400DNSSEC DNS Security Extensions 401DOE distributed object environment 402DOF data over fibre 403DOM document object model 404DOS denial of service 405DOS disk operating system 406DP DisplayPort 407DPC deferred procedure call 408DPCM differential pulse code modulation 409DPD dead peer detection 410DPI deep packet inspection 411DPI dots per inch 412DPL descriptor privilege level 413DPS Display PostScript 414DPST display power savings technology 415DRAAS disaster recovery as a service 416DRAM dynamic random access memory 417DRBG deterministic random bit generator 418DRI direct rendering infrastructure 419DRM digital rights management 420DRRS display refresh rate switching 421DS debug store 422DSA digital signature algorithm 423DSAP destination service access point 424DSB double-sideband modulation 425DSDT differentiated system descriptor table 426DSF device special file 427DSL dataset and snapshot layer 428DSL digital subscriber line 429DSL domain specific language 430DSLAM digital subscriber line access multiplexer 431DSN delivery status notification 432DSO dynamic shared object 433DSP digital signal processor 434DSSS direct sequence spread spectrum 435DTD document type definition 436DTE data terminal equipment 437DTE dumb terminal emulator 438DTL diode-transistor logic 439DTLS datagram transport layer security 440DTS digital thermal sensor 441DUT device under test 442DVB digital video broadcasting 443DVCS distributed version control system 444DVD digital versatile disc 445DVFS dynamic voltage and frequency scaling 446DVI device independent 447DVI Digital Visual Interface 448DVR digital video recorder 449E-XER extended XML encoding rules 450EABI embedded-application binary interface 451EAI Email Address Internationalization 452EAI Enterprise Application Integration 453EAP Extensible Authentication Protocol 454EAPOL EAP over Lan 455EBCDIC Extended Binary Coded Decimal Interchange Code 456EBDA Extended BIOS Data Area 457EBNF extended backus-naur form 458EBR extended boot record 459EC elliptic curve 460ECC elliptic curve cryptography 461ECC error correction code 462ECDH elliptic curve Diffie-Hellman 463ECDL elliptic curve discrete logarithm 464ECDLP elliptic curve discrete logarithm problem 465ECDSA elliptic curve digital signature algorithm 466ECL emitter-coupled logic 467ECN explicit congestion notification 468ECP enhanced capability port 469ECS enhanced chip set 470ECS extended configuration space 471EDAC error detection and correction 472EDAT enhanced dynamic acceleration technology 473EdDSA Edwards curve digital signature algorithm 474EDGE explicit data graph execution 475EDID extended display identification data 476EDO extended data out 477EDS electronical data sheet 478EEE energy efficient ethernet 479EEPROM electrically erasable programmable read only memory 480EFI extensible firmware interface 481EFL emitter follower logic 482EFM eight to fourteen modulation 483EFS extent file system 484EGA Enhanced Graphics Adapter 485EGP exterior gateway protocol 486EH extension header 487EIDE enhanced IDE 488EISA extended industry standard architecture 489EINJ error injection table 490ELF executable and linking format 491ELS entry level system 492EMI electro-magnetic interference 493EMP electro-magnetic pulse 494EMR electro-magnetic radiation 495EMACS Editor MACroS 496EOF end of file 497EOI end of interrupt 498EOIS end of interactive support 499EOL end of life 500EOL end of line 501EOT end of transmission 502EPIC explicitly parallel instruction computing 503EPP enhanced parallel port 504EPRML extended partial response, maximum likelihood 505EPROM erasable programmable read only memory 506ERC error recovery control 507ERD emergency recovery disk 508ERD entity relationship diagram 509ERE extended regular expression 510ERST error record serialization table 511ESAN Efficiency Sanitizer 512ESB enterprise service bus 513ESDI enhanced small disk interface 514ESDRAM enhanced synchronous dynamic random access memory 515ESI enclosure services interface 516ESS electronic switching system 517ESS extended service set 518ESSID extended service set identifier 519EST enhanced speedstep 520ETL extract, transform, load 521EU execution unit 522EULA end user license agreement 523FAT file allocation table 524FBRAM frame buffer random access memory 525FCIF full common intermediate format 526FCL fiber channel loop 527FCS frame check sequence 528FDC floppy disk controller 529FDD floppy disk drive 530FDDI fiber distributed data interface 531FDE full disk encryption 532FDT flattened device tree 533FEA finite element analysis 534FEC forward error correction 535FET field-effect transistor 536FF finite field 537FF form feed 538FFDH finite-field Diffie-Hellman 539FFH functional fixed hardware 540FFI foreign function interface 541FFM focus follows mouse 542FFS Fast File System 543FFS find first set 544FFT fast Fourier transform 545FG floating gate 546FHSS frequency hop spread spectrum 547FID frequency identifier 548FIFO first in, first out 549FILO first in, last out 550FIPS Federal Information Processing Standards 551FIR fast infrared 552FLOPS floating [point] operations per second 553FLOSS free/libre/open source software 554FM frequency modulation 555FMR false match rate 556FOSS free/open source software 557FPGA field programmable gate array 558FPM fast page mode 559FPR floating point register 560FPU floating point unit 561FQDN fully qualified domain name 562FRR false rejection rate 563FRU field replaceable unit 564FS file system 565FSB front side bus 566FSCK file system check 567FSF Free Software Foundation 568FSK frequency shift keying 569FSM finite-state machine 570FTA fault tree analysis 571FTL flash translation layer 572FTP File Transfer Protocol 573FTPS File Transfer Protocol Secure 574FUS fast user switching 575FWH firmware hub 576FWS folding white space 577GAL generic array logic 578GAS generic address structure 579GC garbage collector 580GCM Galois counter mode 581GCR group-coded recording 582GDI Graphics Device Interface 583GDT global descriptor table 584GEM graphics environment manager 585GEM graphics execution manager 586GENA general event notification architecture 587GHC Glasgow Haskell compiler 588GHES generic hardware error source 589GIC generic interrupt controller 590GID group identifier 591GIF graphics interchange format 592GMCH graphics and memory controller hub 593GNU GNU's Not Unix 594GOP graphics output protocol 595GOT global offset table 596GPE general purpose event 597GPF general protection fault 598GPG GNU Privacy Guard 599GPL [GNU] General Public License 600GPR general purpose register 601GPS generalized processor sharing 602GPT GUID partition table 603GPU graphics processing unit 604GR golden ratio 605GRE generic routing encapsulation 606GSI global system interrupt 607GUI graphical user interface 608GUID globally unique identifier 609GVFS git virtual file system 610HA high availability 611HAL hardware abstraction layer 612HAT hashed array tree 613HATEOAS hypermedia as the engine of application state 614HBA host bus adapter 615HCF halt and catch fire 616HCI host controller interface 617HCI human-computer interaction 618HCL hardware compatibility list 619HDCP High-bandwidth Digital Content Protection 620HDD hard disk drive 621HDL hardware description language 622HDMI High-Definition Multimedia Interface 623HDTV high-definition television 624HECI host embedded controller interface 625HEST hardware error source table 626HF high frequency 627HFM highest frequency mode 628HFS hierarchical file system 629HID human interface device 630HKP HTTP Keyserver Protocol 631HLL high-level language 632HMA high memory area 633HMI human-machine interface 634HOOD hierarchical object oriented design 635HP Hewlett-Packard 636HPC high performance computing 637HPET high precision event timer 638HSM hardware security module 639HSM hierarchical storage management 640HT hyper-threading 641HTC hardware thermal control 642HTCC high temperature co-fired ceramic 643HTML HyperText Markup Language 644HTT hyper-threading technology 645HTTP Hypertext Transfer Protocol 646HTTPS Hypertext Transfer Protocol Secure 647HVM hardware virtual machine 648HVDS High-Voltage Differential Signaling 649HWASAN Hardware-assisted Address Sanitizer 650HZ Hertz 651I2O intelligent input/output 652IA information assurance 653IAAS infrastructure as a service 654IANA Internet Assigned Numbers Authority 655IBC iterated block cipher 656IBM International Business Machines 657IBS instruction based sampling 658IBSS independent basic service set 659IC integrated circuit 660ICA independent computer architecture 661ICB Internet Citizen's Band 662ICE in-circuit emulator 663ICE internal compiler error 664ICH I/O controller hub 665ICMP Internet Control Message Protocol 666ICT information and communications technology 667ICW initialization command word 668IDA Intel dynamic acceleration 669IDCMP Intuition direct communication message port 670IDE integrated development environment 671IDE integrated drive electronics 672IDPS intrusion detection [and] prevention system 673IDRP inter-domain routing protocol 674IDS intrusion detection system 675IDT interrupt descriptor table 676IE Internet Explorer 677IEC International Electrotechnical Commission 678IEEE Institute of Electrical and Electronics Engineers 679IESG Internet Engineering Steering Group 680IETF Internet Engineering Task Force 681IF intermediate frequency 682IFCM isochronous flow control mode 683IFF Interchange File Format 684IFS internal field separator 685IGD Internet gateway device 686IGMP Internet Group Management Protocol 687IGP interior gateway protocol 688IHV independent hardware vendor 689IKE Internet key exchange 690ILM internal loopback mode 691ILOM integrated lights-out management 692ILP instruction level parallelism 693IM instant messaging 694IMAP Internet Message Access Protocol 695IMC integrated memory controller 696IMCR interrupt mode configuration register 697IMR interrupt mask register 698IMS information management system 699IMSI international mobile subscriber identity 700INCITS InterNational Committee for Information Technology Standards 701IO input/output 702IOCTL input/output control 703IOM input/output managers 704IOMMU input/output memory management unit 705IOT Internet of Things 706IP Internet Protocol 707IP intellectual property 708IPC instructions per cycle 709IPC interprocess communication 710IPCF interprocess communication facility 711IPE integrated programming environment 712IPI intelligent peripheral interface 713IPI interprocessor interrupt 714IPL Initial Program Load 715IPL Interrupt Priority Level 716IPMB Intelligent Platform Management Bus 717IPMI Intelligent Platform Management Interface 718IPNG Internet Protocol, Next Generation 719IPS in-plane switching 720IPS intrusion prevention system 721IPSEC Internet Protocol Security 722IRC Internet Relay Chat 723IRDA infrared data association 724IRQ interrupt request 725IRQL interrupt request level 726IRR interrupt request register 727IRTF Internet Research Task Force 728IS information system 729ISA industry standard architecture 730ISA instruction set architecture 731ISE instant secure erase 732ISDN integrated services digital network 733ISI inter-symbol interference 734ISL initial system load 735ISM industrial, scientific, [and] medical 736ISN initial serial number 737ISO International Standards Organization 738ISOC Internet Society 739ISP Internet service provider 740ISR in-service register 741ISR interrupt service routine 742IST interrupt stack table 743ISV independent software vendor 744IT information technology 745ITB Intel Turbo Boost 746ITIL information technology infrastructure library 747ITP in-target probe 748ITSM IT service management 749IV initialization vector 750IVT interrupt vector table 751JBOD just a bunch of disks 752JCL Job Control Language 753JFET junction [gate] field-effect transistor 754JIT just in time 755JPEG Joint Photographic Experts Group 756JRE Java Runtime Environment 757JSON JavaScript Object Notation 758JTAG joint test action group 759KASLR kernel address space layout randomization 760KB keyboard 761KB kilobyte 762KBD keyboard 763KBD kilobaud 764KCS keyboard controller style 765KLOC thousand lines of code 766KMS kernel-mode setting 767KPI kernel programming interface 768KVA kernel virtual address 769KVM kernel virtual machine 770KVM kernel virtual memory 771KVM keyboard, video, [and] mouse 772L2CAP link layer control and adaptation protocol 773LAMP Linux Apache MySQL {Perl,PHP,Python} 774LAN local area network 775LAPIC local advanced programmable interrupt controller 776LAR load access rights 777LBA logical block addressing 778LBNF labeled backus-naur form 779LBS location-based service 780LCD liquid crystal display 781LCP link control protocol 782LDA local delivery agent 783LDAP Lightweight Directory Access Protocol 784LDR light-dependent resistor 785LDT local descriptor table 786LE logical extent 787LED light emitting diode 788LELL low energy link layer 789LER label edge router 790LF line feed 791LF low frequency 792LFM lowest frequency mode 793LFN long file names 794LFO low-frequency oscillation 795LFS log-structured file system 796LFU least frequently used 797LHP loop heat pipe 798LIF logical interchange format 799LIFO last in, first out 800LILO LInux LOader 801LILO last in, last out 802LINT local interrupt 803LIR local Internet registry 804LISP LISt Processor 805LISP Locator/ID Separation Protocol 806LKM {Linux,loadable} kernel module 807LKML Linux kernel mailing list 808LL load linked 809LL/SC load linked/store conditional 810LLC logical link control 811LLD low-level design 812LLDD low-level design document 813LLDP link layer discovery protocol 814LLF low level format 815LLMNR link-local multicast name resolution 816LLVM Low Level Virtual Machine 817LM long mode 818LMI local management interface 819LMM link management mode 820LMP link management protocol 821LNO loop nest optimization 822LOC lines of code 823LOM lights-out management 824LPE Linux performance events 825LPC low pin count 826LPS local positioning system 827LRC longitudinal redundancy check 828LRM left-to-right mark 829LRO left-to-right override 830LRU least recently used 831LS link state 832LSAN Leak Sanitizer 833LSB Linux standards base 834LSB least significant {bit,byte} 835LSI large scale integration 836LSL load segment limit 837LSM log structured merge 838LSN Large Scale NAT 839LSN log sequence number 840LSR label switch router 841LTCC low temperature co-fired ceramic 842LTO linear tape-open 843LTO link time optimization 844LTR left to right 845LTR load task register 846LTR letter(-sized paper) 847LTS long term support 848LUA Lua Uppercase Accident 849LUN logical unit number 850LV logical volume 851LVM logical volume management 852LVT local vector table 853LVDS Low-Voltage Differential Signaling 854LWP light-weight process 855LZSS Lempel Ziv Storer Szymanski 856LZW Lempel Ziv Welch 857MAC mandatory access control 858MAC {media,medium} access control 859MAC message authentication {check,code} 860MADT multiple APIC descriptor table 861MAMR microwave-assisted magnetic recording 862MB megabyte 863MBA multi-boot agent 864MBR master boot record 865MBS megabits per second 866MC memory controller 867MCA machine check architecture 868MCA MicroChannel architecture 869MCC multiversion concurrency control 870MCE machine check exception 871MCGA Multi-Color Graphics Array 872MCH memory controller hub 873MCM multi-chip module 874MCQ memory controlled queue 875MD machine-dependent 876MD-SAL model-driven service abstraction layer 877MDA mail delivery agent 878MDA Monochrome Display Adapter 879MDC Management Data Clock 880MDI Medium Dependent Interface 881MDI-X Medium Dependent Interface Crossover 882MDIO Management Data Input/Output 883MDMX MIPS Digital Media eXtension 884MDRAM multibank dynamic random access memory 885MESI modified, exclusive, shared, invalid 886MFC merge from current 887MFC Microsoft Foundation Classes 888MFM modified frequency modulation 889MFU most frequently used 890MGCP media gateway control protocol 891MI machine-independent 892MI machine interface 893MIB management information base 894MIC message integrity {check,code} 895MID mobile Internet device 896MIDI musical instrument digital interface 897MIF management information format 898MII media independent interface 899MIM man in the middle 900MIMD multiple instruction, multiple data 901MIME Multipurpose Internet Mail Extensions 902MIMO multiple input multiple output 903MIPS million instructions per second 904MIPS Microprocessor without Interlocked Pipeline Stages 905MISD multiple instruction, single data 906MIT Massachusetts Institute of Technology 907MITM man in the middle 908ML machine language 909ML machine learning 910ML mailing list 911ML markup language 912ML maximum likelihood 913MLC multi-level cell 914MLD multicast listener discovery 915MLHP micro loop heat pipe 916MMF multi-mode fiber 917MMIC monolithic microwave integrated circuit 918MMIO memory mapped input/output 919MMORPG massive multiplayer online role playing game 920MMU memory management unit 921MMX matrix math extension 922MMX multimedia extension 923MMX multiple math extension 924MO magneto-optical 925MOESI modified, owned, exclusive, shared, invalid 926MOF maximum operating frequency 927MOSFET metal-oxide-semiconductor field-effect transistor 928MOSI modified, owned, shared, invalid 929MP multi-platform 930MP multiplayer 931MP {multiprocessing,multiprocessor} 932MPEG moving picture experts group 933MPI message passing interface 934MPLS Multiprotocol Label Switching 935MPP massively parallel processor 936MPS memory pool system 937MPS multiprocessor specification 938MQTT Message Queuing Telemetry Transport 939MR modem ready 940MRO method resolution order 941MRU most recently used 942MS Microsoft 943MSAN Memory Sanitizer 944MSB most significant {bit,byte} 945MSC message sequence chart 946MSE mean square error 947MSF minutes seconds frames 948MSI message signaled interrupt 949MSI modified, shared, invalid 950MSR {machine state,model-specific} register 951MSS maximum segment size 952MSTP Multiple Spanning Tree Protocol 953MT machine translation 954MTA mail transfer agent 955MTBF mean time between failures 956MTP media transfer protocol 957MTRR memory type range register 958MTTF mean time to failure 959MTU maximum transmission unit 960MUA mail user agent 961MUD multi-user domain 962MVCC multiversion concurrency control 963MWE module width encoding 964MX mail exchange 965NACK negative acknowledgement 966NAK negative acknowledgement 967NAN not a number 968NAPT Network Address Port Translation 969NAS network attached storage 970NAT network address translation 971NAV network allocation vector 972NC numerical control 973NC-SI network controller sideband interface 974NCO numerically-controlled oscillator 975NCP Network Control Protocol 976NCSI network connectivity status indicator 977NCQ native command queuing 978ND neighbor discovery 979NDFA nondeterministic finite automaton 980NE numeric error 981NEWS Network extensible Window System 982NFA nondeterministic finite automaton 983NFC near-field communication 984NFCI no functional change intended 985NFS network file system 986NFV network function virtualization 987NIA next instruction address 988NIC network information center 989NIC network interface card 990NIDS network intrusion detection system 991NIP network interface protocol 992NIPS network intrusion prevention system 993NIS network information service 994NIST National Institute of Standards and Technology 995NLS native language support 996NMI non-maskable interrupt 997NNTP Network News Transfer Protocol 998NOC network operations center 999NOP no operation 1000NOS network operating system 1001NP nondeterministic polynomial time 1002NRND not recommended for new designs 1003NRZ non-return to zero 1004NSA nation-state adversary 1005NSA no such agency 1006NSA National Security Agency 1007NTM non-deterministic Turing machine 1008NTP Network Time Protocol 1009NUMA non-uniform memory access 1010NVMM NetBSD Virtual Machine Monitor 1011NVMM non-volatile main memory 1012NVRAM non-volatile random access memory 1013NW not write-through 1014NX no execute 1015OAEP optimal asymmetric encryption padding 1016OAM operations, administration, and {management,maintenance} 1017OBO off by one 1018OBOE off by one error 1019OCL object constraint language 1020OCR optical character recognition 1021ODE offline device environment 1022ODM object data manager 1023ODCM on-demand clock modulation 1024ODT on-die termination 1025OEM original equipment manufacturer 1026OFB output feedback 1027OFDM orthogonal frequency division multiplexing 1028OFET organic field-effect transistor 1029OLAP online analytical processing 1030OLE object linking and embedding 1031OLTP online transaction processing 1032ONFI open nand flash interface 1033OO OpenOffice 1034OO object oriented 1035OOB out of band 1036OOE out of order execution 1037OOM out of memory 1038OOO OpenOffice.org 1039OOP object oriented programming 1040OOPS object oriented programming systems 1041OOSE object oriented software engineering 1042OPM operations per minute 1043OPS operations per second 1044OQL Object Query Language 1045ORB object request broker 1046ORM object-relational mapping 1047OS operating system 1048OSD open source definition 1049OSF open software foundation 1050OSI Open Source Initiative 1051OSI open systems interconnection 1052OSPF open shortest path first 1053OSPM OS power management 1054OSS open sound system 1055OSS open source software 1056OSVW operating system visible workarounds 1057OTP one time password 1058OTP open telecom platform 1059OU organizational unit 1060OUI organizationally unique identifier 1061OWL Web Ontology Language 1062P2P PCI to PCI 1063P2P peer to peer 1064PA phase accumulator 1065PA physical address 1066PAAS platform as a service 1067PAC phase-amplitude converter 1068PAE physical address extension 1069PAL phase alternating line 1070PAL programmable array logic 1071PAM pluggable authentication modules 1072PAM pulse amplitude modulation 1073PAP password authentication protocol 1074PAT page attribute table 1075PAT port address translation 1076PATA parallel ATA 1077PAX portable archive exchange 1078PBE pending break encoding 1079PBE programming by example 1080PC personal computer 1081PC program counter 1082PCB printed circuit board 1083PCB process control block 1084PCB Protocol Control Block 1085PCC Portable C Compiler 1086PCD page-level cache disable 1087PCE path computation element 1088PCE performance-monitor counter enable 1089PCEP Path Computation Element Protocol 1090PCH platform controller hub 1091PCI peripheral component interconnect 1092PCM phase change memory 1093PCM pulse code modulation 1094PCMCIA Personal Computer Memory Card International Association 1095PCP Port Control Protocol 1096PD public domain 1097PDA personal digital assistant 1098PDA pushdown automaton 1099PDAG propositional directed acyclic graph 1100PDB power distribution board 1101PDF portable document format 1102PDM pulse-duration modulation 1103PDN pull-down network 1104PDP page {descriptor,directory} page 1105PDS product data sheet 1106PDU protocol data unit 1107PE protection enable 1108PE provider edge 1109PEAP Protected EAP 1110PECI platform environment control interface 1111PEP protocol extension protocol 1112PER packed encoding rules 1113PFS perfect forward secrecy 1114PGAS partitioned global address space 1115PGE page global enable 1116PGP Pretty Good Privacy 1117PHB PCI host bridge 1118PHP PHP: Hypertext Preprocessor 1119PIC performance instrumentation counters 1120PIC position independent code 1121PIC programmable interrupt controller 1122PICNIC problem in chair, not in computer 1123PID process id 1124PIE position independent executable 1125PIL Priority Interrupt Level 1126PIM personal information manager 1127PIM platform-independent model 1128PIO programmed input/output 1129PIPT physically indexed, physically tagged 1130PIQ prefetch input queue 1131PIT programmable interrupt timer 1132PIV personal identity verification 1133PIX Private Internet eXchange 1134PKCS public-key cryptography standards 1135PKI public key infrastructure 1136PLC programmable logic controller 1137PLD programmable logic device 1138PLL phase locked loop 1139PLRU pseudo LRU 1140PLTM package level thermal management 1141PM power management 1142PM {phase,pulse} modulation 1143PMC performance monitoring counters 1144PME power management event 1145PMEG page map entry group 1146PMI performance monitoring infrastructure 1147PMI platform management interrupt 1148PMIC power management integrated circut 1149PMIO port-mapped input/output 1150PMT photo-multiplier tube 1151PMU performance monitoring units 1152PMU power management unit 1153PNG portable network graphics 1154PNP plug and play 1155POE power over ethernet 1156POF probability of failure 1157POP Post Office Protocol 1158POP power on password 1159POSIX Portable Operating System Interface [for Unix] 1160POST power on self test 1161POTS plain old telephone system 1162POWER Performance Optimization With Enhanced RISC 1163POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1164PP pair programming 1165PPB PCI [to] PCI bridge 1166PPC PowerPC 1167PPC Power Performance Computing 1168PPI pixels per inch 1169PPM pages per minute 1170PPP Point-to-Point Protocol 1171PPPOA Point-to-Point Protocol over ATM 1172PPPOE Point-to-Point Protocol over Ethernet 1173PPU physics processing unit 1174PRAM Parameter RAM 1175PRBS pseudorandom bit sequence 1176PRG pseudorandom generator 1177PRF pseudorandom function [family] 1178PRML partial response, maximum likelihood 1179PRN pseudorandom {noise,number} 1180PRNG pseudorandom number generator 1181PROM programmable read only memory 1182PRP pseudorandom permutation 1183PRU Programmable Realtime Unit 1184PS PostScript 1185PSD power spectral density 1186PSE page size extensions 1187PSK phase shift keying 1188PSK pre-shared key 1189PSTN public switched telephone network 1190PSW program status word 1191PTE page table entry 1192PTLA pseudo top level aggregator 1193PTP page table page 1194PTV perceived target value 1195PU processing unit 1196PUC personal unblocking code 1197PUN physical unit number 1198PV physical volume 1199PVC permanent virtual circuit 1200PVG physical volume group 1201PVI protected-mode virtual interrupt 1202PVST Per-VLAN Spanning Tree 1203PWM pulse width modulation 1204PXE preboot execution environment 1205QA quality assurance 1206QAM quadrature amplitude modulation 1207QAM quality assurance management 1208QBE query by example 1209QC quality control 1210QDI quasi delay insensitive 1211QCIF quarter common intermediate format 1212QOS quality of service 1213QVL qualified vendor list 1214R/O read only 1215R/W read/write 1216RA receiver address 1217RA remote assistance 1218RA resource affinity 1219RA router advertisement 1220RAD rapid application development 1221RAID redundant array of {independent,inexpensive} disks 1222RAM random access memory 1223RAS reliability, availability and serviceability 1224RAS remote access service 1225RAS restartable atomic sequence 1226RAS row address strobe 1227RBF radial basis function 1228RBNF routing backus-naur form 1229RBT red-black tree 1230RC release candidate 1231RC remote control 1232RC run commands 1233RCS Revision Control System 1234RCS revision control system 1235RCU read, copy, update 1236RDB Rigid Disk Block 1237RDBMS relational database management system 1238RDF Resource Description Framework 1239RDM relational data model 1240RDMA remote direct memory access 1241RDRAM Rambus DRAM 1242RE regular expression 1243REST representational state transfer 1244RF radio frequency 1245RFI radio frequency interference 1246RFO request for ownership 1247RFU reserved for future use 1248RGB red green blue 1249RGBA red green blue alpha 1250RGMII reduced gigabit media independent interface 1251RH read hit 1252RHEL Red Hat Enterprise Linux 1253RHL Red Hat Linux 1254RIB routing information base 1255RIFF Resource Interchange File Format 1256RIP Raster Image Processor 1257RIP Routing Information Protocol 1258RIR regional Internet registry 1259RISC reduced instruction set {computer,computing} 1260RKM ROM Kernel Manual 1261RLE run length encoding 1262RLL run length limited 1263RLO right-to-left override 1264RM read miss 1265RMCP Remote Management Control Protocol 1266RMI remote method invocation 1267RMO Relaxed Memory Ordering 1268RMPM rapid memory power management 1269RMS root mean square 1270RMW read, modify, write 1271RNG random number generator 1272ROM read only memory 1273RPC remote procedure call 1274RPKI resource PKI 1275RPL requested privilege level 1276RPM revolutions per minute 1277RPN reverse Polish notation 1278RPVST Rapid Per-VLAN Spanning Tree 1279RR random replacement 1280RR round robin 1281RS relay station 1282RSA Rivest, Shamir, [and] Adleman 1283RSIP Realm Specific IP 1284RSN Robust Secure Network 1285RSS really simple syndication 1286RSS residual sum of squares 1287RSTP Rapid Spanning Tree Protocol 1288RT real time 1289RTC real time clock 1290RTC real time computing 1291RTF rich text format 1292RTL register transfer language 1293RTL resistor-transistor logic 1294RTL right to left 1295RTOS real time operating system 1296RTS request to send 1297RTT round trip time 1298RUP rational unified process 1299RW Rabin-Williams 1300RWM read-write memory 1301RX {receive,receiver} 1302S/PDIF Sony/Philips Digital Interface Format 1303SA security advisory 1304SA security association 1305SA source address 1306SA structured analysis 1307SAAS software as a service 1308SACD super audio compact disc 1309SAD security association database 1310SAL {service,system} abstraction layer 1311SAM serial access memory 1312SAM sum addressed memory 1313SAML security assertion markup language 1314SAN storage area network 1315SAP service access point 1316SAPIC streamlined advanced programmable interrupt controller 1317SASD structured analysis, structured design 1318SASI Shugart Associates System Interface 1319SASL simple authentication [and] security layer 1320SATA serial advanced technology attachment 1321SAX simple API for XML 1322SB sound blaster 1323SBU standard build unit 1324SC store conditional 1325SCA source code analyzer 1326SCADA supervisory control and data acquisition 1327SCC single chip cloud 1328SCC source code control 1329SCCS Source Code Control System 1330SCI scalable coherent interface 1331SCI system control interrupt 1332SCM software configuration management 1333SCM source code management 1334SCM storage-class memory 1335SCO synchronous connection orientated 1336SCP secure copy 1337SCSI Small Computer System Interface 1338SCTP Stream Control Transmission Protocol 1339SDEI software delegated exception interface 1340SDI symbol deinterleave 1341SDK software development kit 1342SDL Simple Declarative Language 1343SDL Simple Direct-media Layer 1344SDLC {software,system,systems} development life cycle 1345SDN software defined networking 1346SDP Session Description Protocol 1347SDRAM synchronous dynamic random access memory 1348SDS software defined storage 1349SDT syntax-directed translation 1350SEA synchronous external abort 1351SEGV segmentation violation 1352SED self-encrypting drive 1353SED stream editor 1354SEO search engine optimization 1355SES SCSI enclosure services 1356SFC sequential function chart 1357SFI simple firmware interface 1358SFI software fault isolation 1359SFTP SSH File Transfer Protocol 1360SFTP Serial File Transfer Protocol 1361SFTP Simple File Transfer Protocol 1362SGMII serial gigabit media independent interface 1363SGRAM synchronous graphics random access memory 1364SHA secure hash algorithm 1365SIDH supersingular isogeny Diffie-Hellman 1366SIEM security information and event management 1367SIF source input format 1368SIFS short inter-frame space 1369SIM subscriber identity module 1370SIMD single instruction, multiple data 1371SIMM single inline memory module 1372SIP Session Initiation Protocol 1373SIR signal-to-interference ratio 1374SIR slow infrared 1375SISD single instruction, single data 1376SLAAC stateless address auto-configuration 1377SLC single-level cell 1378SLDRAM synchronous-link dynamic random access memory 1379SLED single large expensive disk 1380SLI scalable link interface 1381SLI scan-line interleave 1382SLIC system license internal code 1383SLOC source lines of code 1384SLRU segmented LRU 1385SMA smart memory access 1386SMAF system management action field 1387SMAP Simple Mail Access Protocol 1388SMAP supervisor mode access prevention 1389SMART self-monitoring analysis and reporting technology 1390SMB Server Message Block 1391SMB system management bus 1392SMBIOS System Management BIOS 1393SMC system management controller 1394SMD storage module device 1395SMEP supervisor mode execution protection 1396SMF single mode fiber 1397SMI structure of management information 1398SMI system management interrupt 1399SMM system management mode 1400SMP serial management protocol 1401SMP symmetric multiprocessing 1402SMT simultaneous multithreading 1403SMTP Simple Mail Transfer Protocol 1404SMU system management unit 1405SNA systems network architecture 1406SNAP Sub-Network Access Protocol 1407SNIA Storage Networking Industry Association 1408SNMP Simple Network Management Protocol 1409SNR signal-to-noise ratio 1410SOA service oriented architecture 1411SOAP Simple Object Access Protocol 1412SOC system on chip 1413SOF start of frame 1414SOH start of header 1415SOHO small office/home office 1416SOL serial over LAN 1417SOM system on module 1418SP service pack 1419SP stack pointer 1420SPA storage pool allocator 1421SPARC scalable processor architecture 1422SPARQL SPARQL Protocol and RDF Query Language 1423SPD security policy database 1424SPD serial presence detect 1425SPDIF Sony/Philips digital interface format 1426SPI serial peripheral interface 1427SPI stateful packet inspection 1428SPL system interrupt priority level 1429SPL spinlock 1430SPMD single process, multiple data 1431SPR special purpose register 1432SPT sectors per track 1433SQA software quality assurance 1434SQCIF sub quarter common intermediate format 1435SQL Structured Query Language 1436SRAM static random access memory 1437SRC sample rate conversion 1438SRP SCSI RDMA protocol 1439SS self-snoop 1440SS stack segment 1441SSA static single assignment 1442SSAP source service access point 1443SSB single-sideband modulation 1444SSD solid state drive 1445SSE streaming SIMD extensions 1446SSFDC solid state floppy disc card 1447SSH secure shell 1448SSI server side includes 1449SSID service set identifier 1450SSL secure sockets layer 1451SSP stack smashing protection 1452STC software thermal control 1453STD state transition diagram 1454STOMP Streaming Text Oriented Messaging Protocol 1455STP Spanning Tree Protocol 1456STP shielded twisted pair 1457SUN Stanford University Network 1458SUS Single Unix Specification 1459SUT system under test 1460SVC switched virtual circuit 1461SVG scalable vector graphics 1462SVGA Super Video Graphics Array 1463SVI {switch,switched} virtual interface 1464SVM secure virtual machine 1465SVM support vector machine 1466SVR System V Release 1467SVS Separate Virtual Space 1468SWF Shockwave Flash 1469SWIG simplified wrapper [and] interface generator 1470SYR symbol timing recovery 1471TA test assertion 1472TA transmitter address 1473TAI international atomic time 1474TAO track at once 1475TAOCP The Art of Computer Programming 1476TAP Test Anything Protocol 1477TAS test and set 1478TB terabyte 1479TBNF transitional backus-naur form 1480TCB trace capture buffer 1481TCB trusted computing base 1482TCC thermal control circuit 1483TCL tool command language 1484TCP Transmission Control Protocol 1485TCQ tagged command queueing 1486TDC time [to] digital converter 1487TDD test-driven development 1488TDD time division duplex 1489TDM time division multiplexing 1490TDMA time division multiple access 1491TDOA time difference of arrival 1492TDP thermal design {point,power} 1493TECO Text Editor and Corrector 1494TFT thin film transistor 1495TFTP Trivial File Transfer Protocol 1496TIAS try it and see 1497TIFF tagged image file format 1498TITS try it to see 1499TK temporal key 1500TKIP Temporal Key Integrity Protocol 1501TLA top level aggregator 1502TLB translation lookaside buffer 1503TLD top level domain 1504TLER time-limited error recovery 1505TLI transport layer interface 1506TLS thread local storage 1507TLS transport layer security 1508TM Turing machine 1509TM thermal monitor 1510TMG transmogrifier 1511TMDS transition minimized differential signaling 1512TMO timeout 1513TOD time of day 1514TOS terms of service 1515TOS trusted operating system 1516TOS type of service 1517TP transaction processing 1518TPI tracks per inch 1519TPM transactions per minute 1520TPM trusted platform module 1521TPR task priority register 1522TPS transactions per second 1523TPS transmission parameters signaling 1524TR task register 1525TR token ring 1526TRL timing recovery loop 1527TRNG true random number generator 1528TS terminal services 1529TS time series 1530TS time stamp 1531TS transport stream 1532TSAN Thread Sanitizer 1533TSC time stamp counter 1534TSD time stamp disable 1535TSDB time series database 1536TSL test, set, lock 1537TSO time sharing option 1538TSO Total Store Ordering 1539TSP Time-Stamp Protocol 1540TSP Tunnel Setup Protocol 1541TSP time synchronization protocol 1542TSP traveling salesman problem 1543TSS task state segment 1544TTL time to live 1545TTL transistor-transistor logic 1546TTM translation table maps 1547TTY teletype 1548TUI {terminal,text-based,textual} user interface 1549TX {transmit out,transmitter} 1550TXG transaction group 1551TZ time zone 1552UAC user {access,account} control 1553UAF use-after-free 1554UART universal asynchronous receiver/transmitter 1555UAT user acceptance testing 1556UB undefined behavior 1557UBSAN Undefined Behavior Sanitizer 1558UC uncacheable 1559UCS uniform-cost search 1560UCS unified computing system 1561UCS universal coded character set 1562UDMA ultra DMA 1563UDO ultra density optical 1564UDP User Datagram Protocol 1565UEFI unified extensible firmware interface 1566UFS Unix File System 1567UGA universal graphics adapter 1568UI unit interval 1569UI user interface 1570UICC universal integrated circuit card 1571UID unique identifier 1572UID user identifier 1573UL upload 1574UMA uniform memory access 1575UMA upper memory area 1576UMB upper memory block 1577UML unified modeling language 1578UMPC ultra-mobile PC 1579UPNP universal plug and play 1580UPS uninterruptible power supply 1581URI uniform resource identifier 1582URL uniform resource locator 1583URN uniform resource name 1584USART universal synchronous/asynchronous receiver/transmitter 1585USB universal serial bus 1586USWC uncacheable speculative write combining 1587UT unit test 1588UTC coordinated universal time 1589UTF unicode transformation formats 1590UTP unshielded twisted pair 1591UUCP Unix-to-Unix Copy Protocol 1592UUID universally unique identifier 1593UUOC useless use of cat 1594UUT unit under test 1595UX user experience 1596VA vertical alignment 1597VA virtual address 1598VA volt-ampere 1599VAX virtual address extension 1600VB Visual Basic 1601VCA variable-gain amplifier 1602VCC common collector voltage 1603VCCP virtual chassis control protocol 1604VCF voltage-controlled filter 1605VCM virtual channel memory 1606VCO voltage-controlled oscillator 1607VCP virtual chassis port 1608VCS version control system 1609VES virtual execution system 1610VESA Video Electronics Standards Association 1611VFO variable-frequency oscillator 1612VFS virtual file system 1613VG volume group 1614VGA Video Graphics Array 1615VHDCI very high density cable interconnect 1616VID {VLAN,voltage level} identifier 1617VIM Vi IMproved 1618VIPT virtually indexed, physically tagged 1619VIVT virtually indexed, virtually tagged 1620VLAN virtual local area network 1621VLIW very long instruction word 1622VLSI very large scale integration 1623VLSM variable length subnet mask 1624VM virtual {machine,memory} 1625VME virtual mode extension 1626VMX vector multimedia extensions 1627VMX virtual machine extensions 1628VOD video on demand 1629VPD vital product data 1630VPN virtual private network 1631VPWS virtual private wire service 1632VR virtual reality 1633VRAM video random access memory 1634VRF virtual routing and forwarding 1635VRM voltage regulator module 1636VROC Virtual RAID On CPU 1637VRRP Virtual Router Redundancy Protocol 1638VSTP VLAN Spanning Tree Protocol 1639VTP VLAN Trunking Protocol 1640VXFS Veritas file sytem 1641VXVM Veritas volume manager 1642W watt 1643W3C World Wide Web Consortium 1644WAFL write anywhere file layout 1645WAMP Web Application Messaging Protocol 1646WAN wide area network 1647WAP Wireless Application Protocol 1648WAP wireless access point 1649WDM Windows Driver Model 1650WDDM Windows Display Driver Model 1651WDT watchdog timer 1652WEP Wired Equivalent Privacy 1653WFI wait for interrupt 1654WFQ weighted fair queuing 1655WH write hit 1656WIFI wireless fidelity 1657WLAN wireless local area network 1658WM write miss 1659WMI Windows Management Instrumentation 1660WOL Wake-on-LAN 1661WOM Wake-on-Modem 1662WOR Wake-on-Ring 1663WORM write once read many 1664WP WordPerfect 1665WP word processor 1666WP write protect 1667WPA Wi-Fi Protected Access 1668WPA2 Wi-Fi Protected Access II 1669WPS Wi-Fi Protected Setup 1670WRAM window random access memory 1671WS web services 1672WTC write through caching 1673WWAN wireless wide area network 1674WWW world wide web 1675WYSIAYG what you see is all you get 1676WYSIWYG what you see is what you get 1677XBAR crossbar 1678XDMCP X Display Manager control protocol 1679XER XML encoding rules 1680XGA Extended Graphics Array 1681XHR XMLHttpRequest 1682XIP execute in place 1683XML Extensible Markup Language 1684XNA XNA's not acronymed 1685XNS Xerox network systems 1686XOR exclusive or 1687XP extreme programming 1688XSI X/Open System Interface 1689XSL extensible stylesheet language 1690XSLT extensible stylesheet language transformations 1691XSS cross site scripting 1692XT extended technology 1693XTI X/Open transport interface 1694XUL XML user interface language 1695YACC yet another compiler compiler 1696YAML YAML ain't markup language 1697YANG yet another next generation 1698YAWPFAPR you are welcome; please file a problem report 1699YP Yellow Pages 1700YTD year to date 1701ZAP ZFS attribute processor 1702ZBR zone bit recording 1703ZFOD zero-filled on demand 1704ZFS zettabyte file system 1705ZIF zero insertion force 1706ZIFS zero insertion force socket 1707ZIL ZFS intent log 1708ZMA zone multicast address 1709ZOI zero one infinity 1710ZOI zone of influence 1711ZPL ZFS Posix layer 1712ZVOL ZFS Volume 1713