acronyms.comp revision 1.260
1$NetBSD: acronyms.comp,v 1.260 2019/06/07 10:52:40 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 59AOL Alert-on-LAN 60AOS add or subtract 61AP access point 62AP application processor 63API application programming interface 64APEI ACPI platform error interface 65APIC advanced programmable interrupt controller 66APIPA automatic private IP addressing 67APM advanced power management 68APM application performance management 69APU accelerated processing unit 70APT advanced persistent threat 71AQM active queue management 72ARAT always running APIC timer 73ARC adaptive replacement cache 74ARC Advanced RISC Computing 75ARC automatic reference counting 76ARM Advanced RISC Machines 77ARP Address Resolution Protocol 78ARPA Advanced Research Projects Agency 79ARQ automatic repeat request 80ARR address range register 81ARU audio response unit 82AS autonomous system 83ASA Adaptive Security Appliance 84ASAN Address Sanitizer 85ASC advanced smart cache 86ASCII American Standard Code for Information Interchange 87ASD agile software development 88ASE advanced software environment 89ASF alert standard format 90ASIC application-specific integrated circuit 91ASK amplitude shift keying 92ASLR address space layout randomization 93ASN autonomous system number 94ASP active server pages 95ASP auxiliary storage pool 96ASPM active state power management 97ASQ automated software quality 98ASR address space register 99AST abstract syntax tree 100AST asynchronous system trap 101AT access time 102AT advanced technology 103ATA advanced technology attachment 104ATAPI advanced technology attachment packet interface 105ATC address translation cache 106ATM asynchronous transfer mode 107ATX advanced technology extended 108AV anti virus 109AVB audio video bridging 110AVL Adelson-Velsky-Landis 111AVX advanced vector extensions 112BA byte align 113BAL basic assembly language 114BAR base address register 115BBS bulletin board system 116BCC blind carbon copy 117BCD binary coded decimal 118BCH boot console handler 119BCR byte count register 120BCS base configuration space 121BD baud 122BDD binary decision diagram 123BDI bit deinterleave 124BDUF big design up front 125BEDO burst extended data output 126BER basic encoding rules 127BER bit error {rate,ratio} 128BERT boot error record table 129BFD binary {file,format} descriptor 130BFKL big fscking kernel lock 131BFS breadth-first search 132BFT binary file transfer 133BGA ball grid array 134BGP Border Gateway Protocol 135BGPSEC BGP Security 136BIND Berkeley Internet Name Daemon 137BIOS Basic Input/Output System 138BIOS built-in operating system 139BIST built-in self-test 140BIU bus interface unit 141BKDG BIOS and kernel developer's guide 142BLAS basic linear algebra subprograms 143BLC back light control 144BLOB binary large object 145BM bus master 146BMC baseboard management controller 147BMIC bus master interface controller 148BN boundary neutral 149BNF Backus-Naur form 150BO binary output 151BOF beginning of file 152BOM beginning of message 153BOM byte order mark 154BP base pointer 155BP boot processor 156BPB BIOS parameter block 157BPDU bridge protocol data unit 158BPF Berkeley Packet Filter 159BPI bits per inch 160BPM business process modelling 161BPS bits per second 162BPSK binary phase shift keying 163BQS Berkeley quality software 164BRE basic regular expression 165BS backspace 166BS binary sequence 167BSA basic service area 168BSD Berkeley Software Distribution 169BSDP Boot Service Discovery Protocol 170BSF bit scan forward 171BSOD blue screen of death 172BSP binary space partition 173BSP board support package 174BSP bootstrap processor 175BSR bit scan reverse 176BSS basic service set 177BSS block started by symbol 178BSSID basic service set identifier 179BT BitTorrent 180BT Bluetooth 181BT bit test 182BTC bit test [and] complement 183BTM bus transport mechanism 184BTR bit test [and] reset 185BTS bit test [and] set 186BTS bug tracking system 187BW bandwidth 188BWM block-write mode 189BUAG big ugly ASCII graphic 190CA certificate authority 191CAD computer-aided design 192CAM computer assisted manufacturing 193CAM conditional access module 194CAM content addressable memory 195CARP Common Address Redundancy Protocol 196CAS column address strobe 197CAS compare and swap 198CAS computer algebra system 199CASE computer aided software engineering 200CAU control access unit 201CAV constant angular velocity 202CBC cipher block chaining 203CBR constant bit rate 204CC carbon copy 205CCD charge coupled device 206CCI co-channel interferer 207CCNUMA cache-coherent non-uniform memory access 208CCTL command completion time limit 209CD cache disable 210CD compact disc 211CDDA compact disc digital audio 212CDL compiler description language 213CDMA code division multiple access 214CDP Cisco Discovery Protocol 215CDRAM cache dynamic random access memory 216CER canonical encoding rules 217CE customer edge 218CF compact flash 219CFB cipher feedback 220CFG context-free grammar 221CFG control-flow graph 222CFI control-flow integrity sanitizer 223CG control gate 224CGA Color Graphics Adapter 225CGI common gateway interface 226CGN Carrier-Grade NAT 227CHAP Challenge-Handshake Authentication Protocol 228CHS cylinder/head/sector 229CI continuous integration 230CI {common,component} interface 231CIDR Classless Inter-Domain Routing 232CIF common intermediate format 233CIFS Common Internet File System 234CIL common intermediate language 235CIR carrier-to-interference ratio 236CIS contact image sensor 237CISC complex instruction set {computer,computing} 238CJK Chinese, Japanese, [and] Korean 239CLF common log format 240CLI command line interface 241CLR common language runtime 242CLTT closed loop thermal throttling 243CLUT color look-up table 244CLV constant linear velocity 245CM configuration management 246CMA concert multithread architecture 247CMC chassis management controller 248CMC corrected machine check 249CMS {configuration,content,course} management system 250CMI control {management,method} interface 251CMOS complementary metal-oxide-semiconductor 252CMP chip multi-processing 253CMS content management system 254CMYK cyan magenta yellow black 255CN {common,canonical} name 256CNC computer numerical control 257CNR carrier-to-noise ratio 258COF current operating frequency 259COFDM coded orthogonal frequency division multiplexing 260COFF common object file format 261COM component object model 262COM computer on module 263COMA cache-only memory architecture 264CORBA common object request broker architecture 265COS class of service 266COW copy-on-write 267CP continuous pilot 268CPB core performance boost 269CPC central processor complex 270CPC cpu performance counters 271CPE common phase error 272CPE common platform enumeration 273CPER common platform error record 274CPG clock pulse generator 275CPI cycles per instruction 276CPL current privilege level 277CPLD complex programmable logic device 278CPP C preprocessor 279CPS characters per second 280CPS continuation-passing style 281CPT command pass through 282CPU central processing unit 283CR carriage return 284CRC cyclic redundancy check 285CRL carrier recovery loop 286CRLF carriage return line feed 287CRT cathode ray tube 288CRUD create, read, update, and delete 289CS cable select 290CS chip select 291CS code segment 292CS computer science 293CSDL {common,conceptual} schema definition language 294CSI channel state information 295CSI common system interface 296CSMA carrier sense multiple access 297CSMA/CA carrier sense multiple access with collision avoidance 298CSMA/CD carrier sense multiple access with collision detection 299CSP communicating sequential processes 300CSP content security policy 301CSP constrain satisfaction problems 302CSP cryptographic service provider 303CSR control [and] status registers 304CSRG Computer Systems Research Group 305CSS cascading style sheets 306CSV comma-separated values 307CTF compact c type format 308CTM close to metal 309CTR counter [mode] 310CTS clear to send 311CUA common user access 312CUT coordinated universal time 313CV control voltage 314CVE common vulnerabilities and exposures 315CVS Concurrent Versions System 316DA destination address 317DAA distributed application architecture 318DAB digital audio broadcasting 319DAC digital [to] analog converter 320DAC discretionary access control 321DAD duplicate address detection 322DANE DNS-based Authentication of Named Entities 323DAO disk at once 324DAP Directory Access Protocol 325DAT digital audio tape 326DAT dynamic acceleration technology 327DB database 328DBA database administrator 329DBA dynamic bandwidth allocation 330DBB data bus buffer 331DBC design by contract 332DBL dynamic buffer limiting 333DBMS database management system 334DBS database server 335DC direct current 336DCC Direct Client-to-Client 337DCC direct cable connect 338DCD data carrier detect 339DCE data control equipment 340DCE distributed computing environment 341DCIM data center infrastructure management 342DCIM digital camera images 343DCL Digital Command Language 344DCOM distributed component object model 345DCOP Desktop COmmunication Protocol 346DCS data collection systems 347DCT discrete cosine transform 348DCU data cache unit 349DDC display data channel 350DDE dynamic data exchange 351DDK device driver kit 352DDL data description language 353DDR double data rate 354DDS direct digital sound 355DDWG Digital Display Working Group 356DE debugging extensions 357DE desktop environment 358DEA data encryption algorithm 359DEC Digital Equipment Corporation 360DEK data encryption key 361DEP data execution prevention 362DER distinguished encoding rules 363DES Data Encryption Standard 364DF don't fragment 365DFA deterministic finite automaton 366DFC data flow control 367DFS depth first search 368DFS distributed file system 369DFSAN Data Flow Sanitizer 370DFT diagnostic function test 371DFT discrete Fourier transform 372DGL data generation language 373DH Diffie-Hellman 374DHCP Dynamic Host Configuration Protocol 375DIFS distributed inter-frame space 376DIMM dual inline memory module 377DIRT design in real time 378DL diode logic 379DL discrete logarithm 380DL download 381DLCI data link connection identifier 382DLE data link escape 383DLL dynamic link library 384DLP discrete logarithm problem 385DMA direct memory access 386DMI desktop management interface 387DMS document management system 388DMT discrete multitone modulation 389DMU data management layer 390DNARD Digital network appliance reference design 391DND drag and drop 392DNLC directory name lookup cache 393DNS Domain Name System 394DNSSEC DNS Security Extensions 395DOE distributed object environment 396DOF data over fibre 397DOM document object model 398DOS denial of service 399DOS disk operating system 400DP DisplayPort 401DPC deferred procedure call 402DPCM differential pulse code modulation 403DPD dead peer detection 404DPI deep packet inspection 405DPI dots per inch 406DPL descriptor privilege level 407DPS Display PostScript 408DPST display power savings technology 409DRAAS disaster recovery as a service 410DRAM dynamic random access memory 411DRBG deterministic random bit generator 412DRI direct rendering infrastructure 413DRM digital rights management 414DRRS display refresh rate switching 415DS debug store 416DSA digital signature algorithm 417DSAP destination service access point 418DSB double-sideband modulation 419DSDT differentiated system descriptor table 420DSF device special file 421DSL dataset and snapshot layer 422DSL digital subscriber line 423DSL domain specific language 424DSLAM digital subscriber line access multiplexer 425DSN delivery status notification 426DSO dynamic shared object 427DSP digital signal processor 428DSSS direct sequence spread spectrum 429DTD document type definition 430DTE data terminal equipment 431DTE dumb terminal emulator 432DTL diode-transistor logic 433DTLS datagram transport layer security 434DTS digital thermal sensor 435DUT device under test 436DVB digital video broadcasting 437DVCS distributed version control system 438DVD digital versatile disc 439DVFS dynamic voltage and frequency scaling 440DVI device independent 441DVI Digital Visual Interface 442DVR digital video recorder 443E-XER extended XML encoding rules 444EABI embedded-application binary interface 445EAI Email Address Internationalization 446EAI Enterprise Application Integration 447EAP Extensible Authentication Protocol 448EAPOL EAP over Lan 449EBCDIC Extended Binary Coded Decimal Interchange Code 450EBDA Extended BIOS Data Area 451EBNF extended backus-naur form 452EBR extended boot record 453EC elliptic curve 454ECC elliptic curve cryptography 455ECC error correction code 456ECDH elliptic curve Diffie-Hellman 457ECDL elliptic curve discrete logarithm 458ECDLP elliptic curve discrete logarithm problem 459ECDSA elliptic curve digital signature algorithm 460ECL emitter-coupled logic 461ECN explicit congestion notification 462ECP enhanced capability port 463ECS enhanced chip set 464ECS extended configuration space 465EDAC error detection and correction 466EDAT enhanced dynamic acceleration technology 467EdDSA Edwards curve digital signature algorithm 468EDGE explicit data graph execution 469EDID extended display identification data 470EDO extended data out 471EDS electronical data sheet 472EEE energy efficient ethernet 473EEPROM electrically erasable programmable read only memory 474EFI extensible firmware interface 475EFL emitter follower logic 476EFM eight to fourteen modulation 477EFS extent file system 478EGA Enhanced Graphics Adapter 479EGP exterior gateway protocol 480EH extension header 481EIDE enhanced IDE 482EISA extended industry standard architecture 483EINJ error injection table 484ELF executable and linking format 485ELS entry level system 486EMI electro-magnetic interference 487EMP electro-magnetic pulse 488EMR electro-magnetic radiation 489EMACS Editor MACroS 490EOF end of file 491EOI end of interrupt 492EOIS end of interactive support 493EOL end of life 494EOL end of line 495EOT end of transmission 496EPIC explicitly parallel instruction computing 497EPP enhanced parallel port 498EPRML extended partial response, maximum likelihood 499EPROM erasable programmable read only memory 500ERC error recovery control 501ERD emergency recovery disk 502ERD entity relationship diagram 503ERE extended regular expression 504ERST error record serialization table 505ESAN Efficiency Sanitizer 506ESB enterprise service bus 507ESDI enhanced small disk interface 508ESDRAM enhanced synchronous dynamic random access memory 509ESI enclosure services interface 510ESS electronic switching system 511ESS extended service set 512ESSID extended service set identifier 513EST enhanced speedstep 514ETL extract, transform, load 515EU execution unit 516EULA end user license agreement 517FAT file allocation table 518FBRAM frame buffer random access memory 519FCIF full common intermediate format 520FCL fiber channel loop 521FCS frame check sequence 522FDC floppy disk controller 523FDD floppy disk drive 524FDDI fiber distributed data interface 525FDE full disk encryption 526FDT flattened device tree 527FEA finite element analysis 528FEC forward error correction 529FET field-effect transistor 530FF finite field 531FF form feed 532FFDH finite-field Diffie-Hellman 533FFH functional fixed hardware 534FFI foreign function interface 535FFM focus follows mouse 536FFS Fast File System 537FFS find first set 538FFT fast Fourier transform 539FG floating gate 540FHSS frequency hop spread spectrum 541FID frequency identifier 542FIFO first in, first out 543FILO first in, last out 544FIPS Federal Information Processing Standards 545FIR fast infrared 546FLOPS floating [point] operations per second 547FLOSS free/libre/open source software 548FM frequency modulation 549FMR false match rate 550FOSS free/open source software 551FPGA field programmable gate array 552FPM fast page mode 553FPR floating point register 554FPU floating point unit 555FQDN fully qualified domain name 556FRR false rejection rate 557FRU field replaceable unit 558FS file system 559FSB front side bus 560FSCK file system check 561FSF Free Software Foundation 562FSK frequency shift keying 563FSM finite-state machine 564FTA fault tree analysis 565FTL flash translation layer 566FTP File Transfer Protocol 567FTPS File Transfer Protocol Secure 568FUS fast user switching 569FWH firmware hub 570FWS folding white space 571GAL generic array logic 572GAS generic address structure 573GC garbage collector 574GCM Galois counter mode 575GCR group-coded recording 576GDI Graphics Device Interface 577GDT global descriptor table 578GEM graphics environment manager 579GEM graphics execution manager 580GENA general event notification architecture 581GHC Glasgow Haskell compiler 582GHES generic hardware error source 583GIC generic interrupt controller 584GID group identifier 585GIF graphics interchange format 586GMCH graphics and memory controller hub 587GNU GNU's Not Unix 588GOP graphics output protocol 589GOT global offset table 590GPE general purpose event 591GPF general protection fault 592GPG GNU Privacy Guard 593GPL [GNU] General Public License 594GPR general purpose register 595GPS generalized processor sharing 596GPT GUID partition table 597GPU graphics processing unit 598GR golden ratio 599GRE generic routing encapsulation 600GSI global system interrupt 601GUI graphical user interface 602GUID globally unique identifier 603GVFS git virtual file system 604HA high availability 605HAL hardware abstraction layer 606HAT hashed array tree 607HATEOAS hypermedia as the engine of application state 608HBA host bus adapter 609HCF halt and catch fire 610HCI host controller interface 611HCI human-computer interaction 612HCL hardware compatibility list 613HDCP High-bandwidth Digital Content Protection 614HDD hard disk drive 615HDL hardware description language 616HDMI High-Definition Multimedia Interface 617HDTV high-definition television 618HECI host embedded controller interface 619HEST hardware error source table 620HF high frequency 621HFM highest frequency mode 622HFS hierarchical file system 623HID human interface device 624HKP HTTP Keyserver Protocol 625HLL high-level language 626HMA high memory area 627HMI human-machine interface 628HOOD hierarchical object oriented design 629HP Hewlett-Packard 630HPC high performance computing 631HPET high precision event timer 632HSM hardware security module 633HSM hierarchical storage management 634HT hyper-threading 635HTC hardware thermal control 636HTCC high temperature co-fired ceramic 637HTML HyperText Markup Language 638HTT hyper-threading technology 639HTTP Hypertext Transfer Protocol 640HTTPS Hypertext Transfer Protocol Secure 641HVM hardware virtual machine 642HVDS High-Voltage Differential Signaling 643HWASAN Hardware-assisted Address Sanitizer 644HZ Hertz 645I2O intelligent input/output 646IA information assurance 647IAAS infrastructure as a service 648IANA Internet Assigned Numbers Authority 649IBC iterated block cipher 650IBM International Business Machines 651IBS instruction based sampling 652IBSS independent basic service set 653IC integrated circuit 654ICA independent computer architecture 655ICB Internet Citizen's Band 656ICE in-circuit emulator 657ICE internal compiler error 658ICH I/O controller hub 659ICMP Internet Control Message Protocol 660ICT information and communications technology 661ICW initialization command word 662IDA Intel dynamic acceleration 663IDCMP Intuition direct communication message port 664IDE integrated development environment 665IDE integrated drive electronics 666IDPS intrusion detection [and] prevention system 667IDRP inter-domain routing protocol 668IDS intrusion detection system 669IDT interrupt descriptor table 670IE Internet Explorer 671IEC International Electrotechnical Commission 672IEEE Institute of Electrical and Electronics Engineers 673IESG Internet Engineering Steering Group 674IETF Internet Engineering Task Force 675IF intermediate frequency 676IFCM isochronous flow control mode 677IFF Interchange File Format 678IFS internal field separator 679IGD Internet gateway device 680IGMP Internet Group Management Protocol 681IGP interior gateway protocol 682IHV independent hardware vendor 683IKE Internet key exchange 684ILM internal loopback mode 685ILOM integrated lights-out management 686ILP instruction level parallelism 687IM instant messaging 688IMAP Internet Message Access Protocol 689IMC integrated memory controller 690IMCR interrupt mode configuration register 691IMR interrupt mask register 692IMS information management system 693IMSI international mobile subscriber identity 694INCITS InterNational Committee for Information Technology Standards 695IO input/output 696IOCTL input/output control 697IOM input/output managers 698IOMMU input/output memory management unit 699IOT Internet of Things 700IP Internet Protocol 701IP intellectual property 702IPC instructions per cycle 703IPC interprocess communication 704IPCF interprocess communication facility 705IPE integrated programming environment 706IPI intelligent peripheral interface 707IPI interprocessor interrupt 708IPL Initial Program Load 709IPL Interrupt Priority Level 710IPMB Intelligent Platform Management Bus 711IPMI Intelligent Platform Management Interface 712IPNG Internet Protocol, Next Generation 713IPS in-plane switching 714IPS intrusion prevention system 715IPSEC Internet Protocol Security 716IRC Internet Relay Chat 717IRDA infrared data association 718IRQ interrupt request 719IRQL interrupt request level 720IRR interrupt request register 721IRTF Internet Research Task Force 722IS information system 723ISA industry standard architecture 724ISA instruction set architecture 725ISE instant secure erase 726ISDN integrated services digital network 727ISI inter-symbol interference 728ISL initial system load 729ISM industrial, scientific, [and] medical 730ISN initial serial number 731ISO International Standards Organization 732ISOC Internet Society 733ISP Internet service provider 734ISR in-service register 735ISR interrupt service routine 736IST interrupt stack table 737ISV independent software vendor 738IT information technology 739ITB Intel Turbo Boost 740ITIL information technology infrastructure library 741ITP in-target probe 742ITSM IT service management 743IV initialization vector 744IVT interrupt vector table 745JBOD just a bunch of disks 746JCL Job Control Language 747JFET junction [gate] field-effect transistor 748JIT just in time 749JPEG Joint Photographic Experts Group 750JRE Java Runtime Environment 751JSON JavaScript Object Notation 752JTAG joint test action group 753KASLR kernel address space layout randomization 754KB keyboard 755KB kilobyte 756KBD keyboard 757KBD kilobaud 758KCS keyboard controller style 759KLOC thousand lines of code 760KMS kernel-mode setting 761KPI kernel programming interface 762KVA kernel virtual address 763KVM kernel virtual machine 764KVM kernel virtual memory 765KVM keyboard, video, [and] mouse 766L2CAP link layer control and adaptation protocol 767LAMP Linux Apache MySQL {Perl,PHP,Python} 768LAN local area network 769LAPIC local advanced programmable interrupt controller 770LAR load access rights 771LBA logical block addressing 772LBNF labeled backus-naur form 773LBS location-based service 774LCD liquid crystal display 775LCP link control protocol 776LDA local delivery agent 777LDAP Lightweight Directory Access Protocol 778LDR light-dependent resistor 779LDT local descriptor table 780LE logical extent 781LED light emitting diode 782LELL low energy link layer 783LER label edge router 784LF line feed 785LF low frequency 786LFM lowest frequency mode 787LFN long file names 788LFO low-frequency oscillation 789LFS log-structured file system 790LFU least frequently used 791LHP loop heat pipe 792LIF logical interchange format 793LIFO last in, first out 794LILO LInux LOader 795LILO last in, last out 796LINT local interrupt 797LIR local Internet registry 798LISP LISt Processor 799LISP Locator/ID Separation Protocol 800LKM {Linux,loadable} kernel module 801LKML Linux kernel mailing list 802LL load linked 803LL/SC load linked/store conditional 804LLC logical link control 805LLD low-level design 806LLDD low-level design document 807LLDP link layer discovery protocol 808LLF low level format 809LLMNR link-local multicast name resolution 810LLVM Low Level Virtual Machine 811LM long mode 812LMI local management interface 813LMM link management mode 814LMP link management protocol 815LNO loop nest optimization 816LOC lines of code 817LOM lights-out management 818LPE Linux performance events 819LPC low pin count 820LPS local positioning system 821LRC longitudinal redundancy check 822LRM left-to-right mark 823LRO left-to-right override 824LRU least recently used 825LS link state 826LSAN Leak Sanitizer 827LSB Linux standards base 828LSB least significant {bit,byte} 829LSI large scale integration 830LSL load segment limit 831LSM log structured merge 832LSN Large Scale NAT 833LSN log sequence number 834LSR label switch router 835LTCC low temperature co-fired ceramic 836LTO linear tape-open 837LTO link time optimization 838LTR left to right 839LTR load task register 840LTR letter(-sized paper) 841LTS long term support 842LUA Lua Uppercase Accident 843LUN logical unit number 844LV logical volume 845LVM logical volume management 846LVT local vector table 847LVDS Low-Voltage Differential Signaling 848LWP light-weight process 849LZSS Lempel Ziv Storer Szymanski 850LZW Lempel Ziv Welch 851MAC mandatory access control 852MAC {media,medium} access control 853MAC message authentication {check,code} 854MADT multiple APIC descriptor table 855MB megabyte 856MBA multi-boot agent 857MBR master boot record 858MBS megabits per second 859MC memory controller 860MCA machine check architecture 861MCA MicroChannel architecture 862MCC multiversion concurrency control 863MCE machine check exception 864MCGA Multi-Color Graphics Array 865MCH memory controller hub 866MCM multi-chip module 867MCQ memory controlled queue 868MD machine-dependent 869MD-SAL model-driven service abstraction layer 870MDA mail delivery agent 871MDA Monochrome Display Adapter 872MDC Management Data Clock 873MDI Medium Dependent Interface 874MDI-X Medium Dependent Interface Crossover 875MDIO Management Data Input/Output 876MDMX MIPS Digital Media eXtension 877MDRAM multibank dynamic random access memory 878MESI modified, exclusive, shared, invalid 879MFC merge from current 880MFC Microsoft Foundation Classes 881MFM modified frequency modulation 882MFU most frequently used 883MGCP media gateway control protocol 884MI machine-independent 885MI machine interface 886MIB management information base 887MIC message integrity {check,code} 888MID mobile Internet device 889MIDI musical instrument digital interface 890MIF management information format 891MII media independent interface 892MIM man in the middle 893MIMD multiple instruction, multiple data 894MIME Multipurpose Internet Mail Extensions 895MIMO multiple input multiple output 896MIPS million instructions per second 897MIPS Microprocessor without Interlocked Pipeline Stages 898MISD multiple instruction, single data 899MIT Massachusetts Institute of Technology 900MITM man in the middle 901ML machine language 902ML machine learning 903ML mailing list 904ML markup language 905ML maximum likelihood 906MLC multi-level cell 907MLD multicast listener discovery 908MLHP micro loop heat pipe 909MMF multi-mode fiber 910MMIC monolithic microwave integrated circuit 911MMIO memory mapped input/output 912MMORPG massive multiplayer online role playing game 913MMU memory management unit 914MMX matrix math extension 915MMX multimedia extension 916MMX multiple math extension 917MO magneto-optical 918MOESI modified, owned, exclusive, shared, invalid 919MOF maximum operating frequency 920MOSFET metal-oxide-semiconductor field-effect transistor 921MOSI modified, owned, shared, invalid 922MP multi-platform 923MP multiplayer 924MP {multiprocessing,multiprocessor} 925MPEG moving picture experts group 926MPI message passing interface 927MPLS Multiprotocol Label Switching 928MPP massively parallel processor 929MPS memory pool system 930MPS multiprocessor specification 931MQTT Message Queuing Telemetry Transport 932MR modem ready 933MRU most recently used 934MS Microsoft 935MSAN Memory Sanitizer 936MSB most significant {bit,byte} 937MSC message sequence chart 938MSE mean square error 939MSF minutes seconds frames 940MSI message signaled interrupt 941MSI modified, shared, invalid 942MSR {machine state,model-specific} register 943MSS maximum segment size 944MSTP Multiple Spanning Tree Protocol 945MT machine translation 946MTA mail transfer agent 947MTBF mean time between failures 948MTP media transfer protocol 949MTRR memory type range register 950MTTF mean time to failure 951MTU maximum transmission unit 952MUA mail user agent 953MUD multi-user domain 954MVCC multiversion concurrency control 955MWE module width encoding 956MX mail exchange 957NACK negative acknowledgement 958NAK negative acknowledgement 959NAN not a number 960NAPT Network Address Port Translation 961NAS network attached storage 962NAT network address translation 963NAV network allocation vector 964NC numerical control 965NC-SI network controller sideband interface 966NCO numerically-controlled oscillator 967NCP Network Control Protocol 968NCSI network connectivity status indicator 969NCQ native command queuing 970ND neighbor discovery 971NDFA nondeterministic finite automaton 972NE numeric error 973NEWS Network extensible Window System 974NFA nondeterministic finite automaton 975NFC near-field communication 976NFCI no functional change intended 977NFS network file system 978NFV network function virtualization 979NIA next instruction address 980NIC network information center 981NIC network interface card 982NIDS network intrusion detection system 983NIP network interface protocol 984NIPS network intrusion prevention system 985NIS network information service 986NIST National Institute of Standards and Technology 987NLS native language support 988NMI non-maskable interrupt 989NNTP Network News Transfer Protocol 990NOC network operations center 991NOP no operation 992NOS network operating system 993NP nondeterministic polynomial time 994NRND not recommended for new designs 995NRZ non-return to zero 996NSA nation-state adversary 997NSA no such agency 998NSA National Security Agency 999NTM non-deterministic Turing machine 1000NTP Network Time Protocol 1001NUMA non-uniform memory access 1002NVMM NetBSD Virtual Machine Monitor 1003NVMM non-volatile main memory 1004NVRAM non-volatile random access memory 1005NW not write-through 1006NX no execute 1007OAEP optimal asymmetric encryption padding 1008OAM operations, administration, and {management,maintenance} 1009OBO off by one 1010OBOE off by one error 1011OCL object constraint language 1012OCR optical character recognition 1013ODE offline device environment 1014ODM object data manager 1015ODCM on-demand clock modulation 1016ODT on-die termination 1017OEM original equipment manufacturer 1018OFB output feedback 1019OFDM orthogonal frequency division multiplexing 1020OFET organic field-effect transistor 1021OLAP online analytical processing 1022OLE object linking and embedding 1023OLTP online transaction processing 1024ONFI open nand flash interface 1025OO OpenOffice 1026OO object oriented 1027OOB out of band 1028OOE out of order execution 1029OOM out of memory 1030OOO OpenOffice.org 1031OOP object oriented programming 1032OOPS object oriented programming systems 1033OOSE object oriented software engineering 1034OPM operations per minute 1035OPS operations per second 1036OQL Object Query Language 1037ORB object request broker 1038ORM object-relational mapping 1039OS operating system 1040OSD open source definition 1041OSF open software foundation 1042OSI Open Source Initiative 1043OSI open systems interconnection 1044OSPF open shortest path first 1045OSPM OS power management 1046OSS open sound system 1047OSS open source software 1048OSVW operating system visible workarounds 1049OTP one time password 1050OTP open telecom platform 1051OU organizational unit 1052OUI organizationally unique identifier 1053OWL Web Ontology Language 1054P2P PCI to PCI 1055P2P peer to peer 1056PA phase accumulator 1057PA physical address 1058PAAS platform as a service 1059PAC phase-amplitude converter 1060PAE physical address extension 1061PAL phase alternating line 1062PAL programmable array logic 1063PAM pluggable authentication modules 1064PAM pulse amplitude modulation 1065PAP password authentication protocol 1066PAT page attribute table 1067PAT port address translation 1068PATA parallel ATA 1069PAX portable archive exchange 1070PBE pending break encoding 1071PBE programming by example 1072PC personal computer 1073PC program counter 1074PCB printed circuit board 1075PCB process control block 1076PCB Protocol Control Block 1077PCC Portable C Compiler 1078PCD page-level cache disable 1079PCE path computation element 1080PCE performance-monitor counter enable 1081PCEP Path Computation Element Protocol 1082PCH platform controller hub 1083PCI peripheral component interconnect 1084PCM phase change memory 1085PCM pulse code modulation 1086PCMCIA Personal Computer Memory Card International Association 1087PCP Port Control Protocol 1088PD public domain 1089PDA personal digital assistant 1090PDA pushdown automaton 1091PDAG propositional directed acyclic graph 1092PDB power distribution board 1093PDF portable document format 1094PDM pulse-duration modulation 1095PDN pull-down network 1096PDP page {descriptor,directory} page 1097PDS product data sheet 1098PDU protocol data unit 1099PE protection enable 1100PE provider edge 1101PEAP Protected EAP 1102PECI platform environment control interface 1103PEP protocol extension protocol 1104PER packed encoding rules 1105PFS perfect forward secrecy 1106PGAS partitioned global address space 1107PGE page global enable 1108PGP Pretty Good Privacy 1109PHB PCI host bridge 1110PHP PHP: Hypertext Preprocessor 1111PIC performance instrumentation counters 1112PIC position independent code 1113PIC programmable interrupt controller 1114PICNIC problem in chair, not in computer 1115PID process id 1116PIE position independent executable 1117PIL Priority Interrupt Level 1118PIM personal information manager 1119PIM platform-independent model 1120PIO programmed input/output 1121PIPT physically indexed, physically tagged 1122PIQ prefetch input queue 1123PIT programmable interrupt timer 1124PIV personal identity verification 1125PIX Private Internet eXchange 1126PKCS public-key cryptography standards 1127PKI public key infrastructure 1128PLC programmable logic controller 1129PLD programmable logic device 1130PLL phase locked loop 1131PLRU pseudo LRU 1132PLTM package level thermal management 1133PM power management 1134PM {phase,pulse} modulation 1135PMC performance monitoring counters 1136PME power management event 1137PMEG page map entry group 1138PMI performance monitoring infrastructure 1139PMI platform management interrupt 1140PMIC power management integrated circut 1141PMIO port-mapped input/output 1142PMT photo-multiplier tube 1143PMU performance monitoring units 1144PMU power management unit 1145PNG portable network graphics 1146PNP plug and play 1147POE power over ethernet 1148POF probability of failure 1149POP Post Office Protocol 1150POP power on password 1151POSIX Portable Operating System Interface [for Unix] 1152POST power on self test 1153POTS plain old telephone system 1154POWER Performance Optimization With Enhanced RISC 1155POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1156PP pair programming 1157PPB PCI [to] PCI bridge 1158PPC PowerPC 1159PPC Power Performance Computing 1160PPI pixels per inch 1161PPM pages per minute 1162PPP Point-to-Point Protocol 1163PPPOA Point-to-Point Protocol over ATM 1164PPPOE Point-to-Point Protocol over Ethernet 1165PPU physics processing unit 1166PRAM Parameter RAM 1167PRBS pseudorandom bit sequence 1168PRG pseudorandom generator 1169PRF pseudorandom function [family] 1170PRML partial response, maximum likelihood 1171PRN pseudorandom {noise,number} 1172PRNG pseudorandom number generator 1173PROM programmable read only memory 1174PRP pseudorandom permutation 1175PRU Programmable Realtime Unit 1176PS PostScript 1177PSD power spectral density 1178PSE page size extensions 1179PSK phase shift keying 1180PSK pre-shared key 1181PSTN public switched telephone network 1182PSW program status word 1183PTE page table entry 1184PTLA pseudo top level aggregator 1185PTP page table page 1186PTV perceived target value 1187PU processing unit 1188PUC personal unblocking code 1189PUN physical unit number 1190PV physical volume 1191PVC permanent virtual circuit 1192PVG physical volume group 1193PVI protected-mode virtual interrupt 1194PVST Per-VLAN Spanning Tree 1195PWM pulse width modulation 1196PXE preboot execution environment 1197QA quality assurance 1198QAM quadrature amplitude modulation 1199QAM quality assurance management 1200QBE query by example 1201QC quality control 1202QDI quasi delay insensitive 1203QCIF quarter common intermediate format 1204QOS quality of service 1205QVL qualified vendor list 1206R/O read only 1207R/W read/write 1208RA receiver address 1209RA remote assistance 1210RA resource affinity 1211RA router advertisement 1212RAD rapid application development 1213RAID redundant array of {independent,inexpensive} disks 1214RAM random access memory 1215RAS reliability, availability and serviceability 1216RAS remote access service 1217RAS restartable atomic sequence 1218RAS row address strobe 1219RBF radial basis function 1220RBNF routing backus-naur form 1221RBT red-black tree 1222RC release candidate 1223RC remote control 1224RC run commands 1225RCS Revision Control System 1226RCS revision control system 1227RCU read, copy, update 1228RDB Rigid Disk Block 1229RDBMS relational database management system 1230RDF Resource Description Framework 1231RDM relational data model 1232RDMA remote direct memory access 1233RDRAM Rambus DRAM 1234RE regular expression 1235REST representational state transfer 1236RF radio frequency 1237RFI radio frequency interference 1238RFO request for ownership 1239RFU reserved for future use 1240RGB red green blue 1241RGBA red green blue alpha 1242RGMII reduced gigabit media independent interface 1243RH read hit 1244RHEL Red Hat Enterprise Linux 1245RHL Red Hat Linux 1246RIB routing information base 1247RIFF Resource Interchange File Format 1248RIP Raster Image Processor 1249RIP Routing Information Protocol 1250RIR regional Internet registry 1251RISC reduced instruction set {computer,computing} 1252RKM ROM Kernel Manual 1253RLE run length encoding 1254RLL run length limited 1255RLO right-to-left override 1256RM read miss 1257RMCP Remote Management Control Protocol 1258RMI remote method invocation 1259RMO Relaxed Memory Ordering 1260RMPM rapid memory power management 1261RMS root mean square 1262RMW read, modify, write 1263RNG random number generator 1264ROM read only memory 1265RPC remote procedure call 1266RPKI resource PKI 1267RPL requested privilege level 1268RPM revolutions per minute 1269RPN reverse Polish notation 1270RPVST Rapid Per-VLAN Spanning Tree 1271RR random replacement 1272RR round robin 1273RS relay station 1274RSA Rivest, Shamir, [and] Adleman 1275RSIP Realm Specific IP 1276RSN Robust Secure Network 1277RSS really simple syndication 1278RSS residual sum of squares 1279RSTP Rapid Spanning Tree Protocol 1280RT real time 1281RTC real time clock 1282RTC real time computing 1283RTF rich text format 1284RTL register transfer language 1285RTL resistor-transistor logic 1286RTL right to left 1287RTOS real time operating system 1288RTS request to send 1289RTT round trip time 1290RUP rational unified process 1291RW Rabin-Williams 1292RWM read-write memory 1293RX {receive,receiver} 1294S/PDIF Sony/Philips Digital Interface Format 1295SA security advisory 1296SA security association 1297SA source address 1298SA structured analysis 1299SAAS software as a service 1300SACD super audio compact disc 1301SAD security association database 1302SAL {service,system} abstraction layer 1303SAM serial access memory 1304SAM sum addressed memory 1305SAML security assertion markup language 1306SAN storage area network 1307SAP service access point 1308SAPIC streamlined advanced programmable interrupt controller 1309SASD structured analysis, structured design 1310SASI Shugart Associates System Interface 1311SASL simple authentication [and] security layer 1312SATA serial advanced technology attachment 1313SAX simple API for XML 1314SB sound blaster 1315SBU standard build unit 1316SC store conditional 1317SCA source code analyzer 1318SCADA supervisory control and data acquisition 1319SCC single chip cloud 1320SCC source code control 1321SCCS Source Code Control System 1322SCI scalable coherent interface 1323SCI system control interrupt 1324SCM software configuration management 1325SCM source code management 1326SCM storage-class memory 1327SCO synchronous connection orientated 1328SCP secure copy 1329SCSI Small Computer System Interface 1330SCTP Stream Control Transmission Protocol 1331SDEI software delegated exception interface 1332SDI symbol deinterleave 1333SDK software development kit 1334SDL Simple Declarative Language 1335SDL Simple Direct-media Layer 1336SDLC {software,system,systems} development life cycle 1337SDN software defined networking 1338SDP Session Description Protocol 1339SDRAM synchronous dynamic random access memory 1340SDS software defined storage 1341SDT syntax-directed translation 1342SEA synchronous external abort 1343SEGV segmentation violation 1344SED self-encrypting drive 1345SED stream editor 1346SEO search engine optimization 1347SES SCSI enclosure services 1348SFC sequential function chart 1349SFI simple firmware interface 1350SFI software fault isolation 1351SFTP SSH File Transfer Protocol 1352SFTP Serial File Transfer Protocol 1353SFTP Simple File Transfer Protocol 1354SGMII serial gigabit media independent interface 1355SGRAM synchronous graphics random access memory 1356SHA secure hash algorithm 1357SIDH supersingular isogeny Diffie-Hellman 1358SIEM security information and event management 1359SIF source input format 1360SIFS short inter-frame space 1361SIM subscriber identity module 1362SIMD single instruction, multiple data 1363SIMM single inline memory module 1364SIP Session Initiation Protocol 1365SIR signal-to-interference ratio 1366SIR slow infrared 1367SISD single instruction, single data 1368SLAAC stateless address auto-configuration 1369SLC single-level cell 1370SLDRAM synchronous-link dynamic random access memory 1371SLED single large expensive disk 1372SLI scalable link interface 1373SLI scan-line interleave 1374SLIC system license internal code 1375SLOC source lines of code 1376SLRU segmented LRU 1377SMA smart memory access 1378SMAF system management action field 1379SMAP Simple Mail Access Protocol 1380SMAP supervisor mode access prevention 1381SMART self-monitoring analysis and reporting technology 1382SMB Server Message Block 1383SMB system management bus 1384SMBIOS System Management BIOS 1385SMC system management controller 1386SMD storage module device 1387SMEP supervisor mode execution protection 1388SMF single mode fiber 1389SMI structure of management information 1390SMI system management interrupt 1391SMM system management mode 1392SMP serial management protocol 1393SMP symmetric multiprocessing 1394SMT simultaneous multithreading 1395SMTP Simple Mail Transfer Protocol 1396SMU system management unit 1397SNA systems network architecture 1398SNAP Sub-Network Access Protocol 1399SNIA Storage Networking Industry Association 1400SNMP Simple Network Management Protocol 1401SNR signal-to-noise ratio 1402SOA service oriented architecture 1403SOAP Simple Object Access Protocol 1404SOC system on chip 1405SOF start of frame 1406SOH start of header 1407SOHO small office/home office 1408SOL serial over LAN 1409SOM system on module 1410SP service pack 1411SP stack pointer 1412SPA storage pool allocator 1413SPARC scalable processor architecture 1414SPARQL SPARQL Protocol and RDF Query Language 1415SPD security policy database 1416SPD serial presence detect 1417SPDIF Sony/Philips digital interface format 1418SPI serial peripheral interface 1419SPI stateful packet inspection 1420SPL system interrupt priority level 1421SPL spinlock 1422SPMD single process, multiple data 1423SPR special purpose register 1424SPT sectors per track 1425SQA software quality assurance 1426SQCIF sub quarter common intermediate format 1427SQL Structured Query Language 1428SRAM static random access memory 1429SRC sample rate conversion 1430SRP SCSI RDMA protocol 1431SS self-snoop 1432SS stack segment 1433SSA static single assignment 1434SSAP source service access point 1435SSB single-sideband modulation 1436SSD solid state drive 1437SSE streaming SIMD extensions 1438SSFDC solid state floppy disc card 1439SSH secure shell 1440SSI server side includes 1441SSID service set identifier 1442SSL secure sockets layer 1443SSP stack smashing protection 1444STC software thermal control 1445STD state transition diagram 1446STOMP Streaming Text Oriented Messaging Protocol 1447STP Spanning Tree Protocol 1448STP shielded twisted pair 1449SUN Stanford University Network 1450SUS Single Unix Specification 1451SUT system under test 1452SVC switched virtual circuit 1453SVG scalable vector graphics 1454SVGA Super Video Graphics Array 1455SVI {switch,switched} virtual interface 1456SVM secure virtual machine 1457SVM support vector machine 1458SVR System V Release 1459SVS Separate Virtual Space 1460SWF Shockwave Flash 1461SWIG simplified wrapper [and] interface generator 1462SYR symbol timing recovery 1463TA test assertion 1464TA transmitter address 1465TAI international atomic time 1466TAO track at once 1467TAOCP The Art of Computer Programming 1468TAP Test Anything Protocol 1469TAS test and set 1470TB terabyte 1471TBNF transitional backus-naur form 1472TCB trace capture buffer 1473TCB trusted computing base 1474TCC thermal control circuit 1475TCL tool command language 1476TCP Transmission Control Protocol 1477TCQ tagged command queueing 1478TDC time [to] digital converter 1479TDD test-driven development 1480TDD time division duplex 1481TDM time division multiplexing 1482TDMA time division multiple access 1483TDOA time difference of arrival 1484TDP thermal design {point,power} 1485TECO Text Editor and Corrector 1486TFT thin film transistor 1487TFTP Trivial File Transfer Protocol 1488TIAS try it and see 1489TIFF tagged image file format 1490TITS try it to see 1491TK temporal key 1492TKIP Temporal Key Integrity Protocol 1493TLA top level aggregator 1494TLB translation lookaside buffer 1495TLD top level domain 1496TLER time-limited error recovery 1497TLI transport layer interface 1498TLS thread local storage 1499TLS transport layer security 1500TM Turing machine 1501TM thermal monitor 1502TMG transmogrifier 1503TMDS transition minimized differential signaling 1504TMO timeout 1505TOD time of day 1506TOS terms of service 1507TOS trusted operating system 1508TOS type of service 1509TP transaction processing 1510TPI tracks per inch 1511TPM transactions per minute 1512TPM trusted platform module 1513TPR task priority register 1514TPS transactions per second 1515TPS transmission parameters signaling 1516TR task register 1517TR token ring 1518TRL timing recovery loop 1519TRNG true random number generator 1520TS terminal services 1521TS time series 1522TS time stamp 1523TS transport stream 1524TSAN Thread Sanitizer 1525TSC time stamp counter 1526TSD time stamp disable 1527TSDB time series database 1528TSL test, set, lock 1529TSO time sharing option 1530TSO Total Store Ordering 1531TSP Time-Stamp Protocol 1532TSP Tunnel Setup Protocol 1533TSP time synchronization protocol 1534TSP traveling salesman problem 1535TSS task state segment 1536TTL time to live 1537TTL transistor-transistor logic 1538TTM translation table maps 1539TTY teletype 1540TUI {terminal,text-based,textual} user interface 1541TX {transmit out,transmitter} 1542TXG transaction group 1543TZ time zone 1544UAC user {access,account} control 1545UAF use-after-free 1546UART universal asynchronous receiver/transmitter 1547UAT user acceptance testing 1548UB undefined behavior 1549UBSAN Undefined Behavior Sanitizer 1550UC uncacheable 1551UCS uniform-cost search 1552UCS unified computing system 1553UCS universal coded character set 1554UDMA ultra DMA 1555UDO ultra density optical 1556UDP User Datagram Protocol 1557UEFI unified extensible firmware interface 1558UFS Unix File System 1559UGA universal graphics adapter 1560UI unit interval 1561UI user interface 1562UICC universal integrated circuit card 1563UID unique identifier 1564UID user identifier 1565UL upload 1566UMA uniform memory access 1567UMA upper memory area 1568UMB upper memory block 1569UML unified modeling language 1570UMPC ultra-mobile PC 1571UPNP universal plug and play 1572UPS uninterruptible power supply 1573URI uniform resource identifier 1574URL uniform resource locator 1575URN uniform resource name 1576USART universal synchronous/asynchronous receiver/transmitter 1577USB universal serial bus 1578USWC uncacheable speculative write combining 1579UT unit test 1580UTC coordinated universal time 1581UTF unicode transformation formats 1582UTP unshielded twisted pair 1583UUCP Unix-to-Unix Copy Protocol 1584UUID universally unique identifier 1585UUOC useless use of cat 1586UUT unit under test 1587UX user experience 1588VA vertical alignment 1589VA virtual address 1590VA volt-ampere 1591VAX virtual address extension 1592VB Visual Basic 1593VCA variable-gain amplifier 1594VCC common collector voltage 1595VCCP virtual chassis control protocol 1596VCF voltage-controlled filter 1597VCM virtual channel memory 1598VCO voltage-controlled oscillator 1599VCP virtual chassis port 1600VCS version control system 1601VESA Video Electronics Standards Association 1602VFO variable-frequency oscillator 1603VFS virtual file system 1604VG volume group 1605VGA Video Graphics Array 1606VHDCI very high density cable interconnect 1607VID {VLAN,voltage level} identifier 1608VIM Vi IMproved 1609VIPT virtually indexed, physically tagged 1610VIVT virtually indexed, virtually tagged 1611VLAN virtual local area network 1612VLIW very long instruction word 1613VLSI very large scale integration 1614VLSM variable length subnet mask 1615VM virtual {machine,memory} 1616VME virtual mode extension 1617VMX vector multimedia extensions 1618VMX virtual machine extensions 1619VOD video on demand 1620VPD vital product data 1621VPN virtual private network 1622VPWS virtual private wire service 1623VR virtual reality 1624VRAM video random access memory 1625VRF virtual routing and forwarding 1626VRM voltage regulator module 1627VRRP Virtual Router Redundancy Protocol 1628VSTP VLAN Spanning Tree Protocol 1629VTP VLAN Trunking Protocol 1630VXFS Veritas file sytem 1631VXVM Veritas volume manager 1632W watt 1633W3C World Wide Web Consortium 1634WAFL write anywhere file layout 1635WAMP Web Application Messaging Protocol 1636WAN wide area network 1637WAP Wireless Application Protocol 1638WAP wireless access point 1639WDM Windows Driver Model 1640WDDM Windows Display Driver Model 1641WDT watchdog timer 1642WEP Wired Equivalent Privacy 1643WFI wait for interrupt 1644WFQ weighted fair queuing 1645WH write hit 1646WIFI wireless fidelity 1647WLAN wireless local area network 1648WM write miss 1649WMI Windows Management Instrumentation 1650WOL Wake-on-LAN 1651WOM Wake-on-Modem 1652WOR Wake-on-Ring 1653WORM write once read many 1654WP WordPerfect 1655WP word processor 1656WP write protect 1657WPA Wi-Fi Protected Access 1658WPA2 Wi-Fi Protected Access II 1659WPS Wi-Fi Protected Setup 1660WRAM window random access memory 1661WS web services 1662WTC write through caching 1663WWAN wireless wide area network 1664WWW world wide web 1665WYSIAYG what you see is all you get 1666WYSIWYG what you see is what you get 1667XBAR crossbar 1668XDMCP X Display Manager control protocol 1669XER XML encoding rules 1670XGA Extended Graphics Array 1671XHR XMLHttpRequest 1672XIP execute in place 1673XML Extensible Markup Language 1674XNA XNA's not acronymed 1675XNS Xerox network systems 1676XOR exclusive or 1677XP extreme programming 1678XSI X/Open System Interface 1679XSL extensible stylesheet language 1680XSS cross site scripting 1681XT extended technology 1682XTI X/Open transport interface 1683XUL XML user interface language 1684YACC yet another compiler compiler 1685YAML YAML ain't markup language 1686YANG yet another next generation 1687YAWPFAPR you are welcome; please file a problem report 1688YP Yellow Pages 1689YTD year to date 1690ZAP ZFS attribute processor 1691ZBR zone bit recording 1692ZFOD zero-filled on demand 1693ZFS zettabyte file system 1694ZIF zero insertion force 1695ZIFS zero insertion force socket 1696ZIL ZFS intent log 1697ZMA zone multicast address 1698ZOI zero one infinity 1699ZOI zone of influence 1700ZPL ZFS Posix layer 1701ZVOL ZFS Volume 1702