The Hacker Acronym & Abbreviation Knowledgebase v2.14
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| Acronym |  | Definition | Topics | External Links | |||
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| L2F |  |
Layer 2 Forwarding |  |
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| L2TP | |
Layer 2 Tunneling Protocol | |||||
| L8R | Later (as in Good-bye) | ||||||
| LAA | Locally Administered Address | ||||||
| LAC | Loop Assignment Center | ||||||
| LAD | Local Area Disk | ||||||
| LADAR | LAser Detection And Ranging | ||||||
| LADS | Local Area Data Service | ||||||
| LADT | Local Access Data Transport / Local Area Data Transport | ||||||
| LAIS | Local Automatic Intercept System | ||||||
| LAL | Leased Access Line | ||||||
| LAM | Lobe Attachment Module | ||||||
| LAMA | Local Automatic Message Accounting | ||||||
| LAME | LAME Ain't an MP3 Encoder |  |
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| LAMP | Linux, Apache, MySQL PHP (software platform) |
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| LAN | Local Area Network |
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| LAN/RM | |
Local Area Network Reference Model (IEEE 802.x Specifications) |
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| LANAO | Local Area Network Automation Option |
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| LANE | Local Area Network Emulation |
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| LANIC | Local Area Network Interface Card / Local Area Network Interface Controller |
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| LANL | |
Los Alamos National Laboratory |
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| LAP | (Bluetooth) LAN Access Profile | ||||||
| LAP | |
Link Access Procedure / Link Access Protocol | |||||
| LAPB | Link Access Procedure Balanced / Link Access Protocol Balanced | ||||||
| LAPD | Link Access Procedure on the D channel |  |
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| LAPM | Link Access Procedure for Modems | |
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| LAP-M | Link Access Procedure for Modems | ||||||
| LAPS | LAN Adapter and Protocol Support | ||||||
| LAPX | Link Access Procedure half dupleX | ||||||
| LART | Loser Attitude Readjustment Tool | ||||||
| LASER | Light Amplification by Stimulated Emission of Radiation | ||||||
| LASS | Local Area Signaling Service / Local Area Switching Service | ||||||
| LAST | Local Area System Transport | ||||||
| LAT | |
Laser Ablation Transfer | |||||
| LAT | |
Local Area Transport | |||||
| LATA | Local Access Transport Area / Local Access and Transport Area | ||||||
| LATIS | Loop Activity Tracking Information System | ||||||
| LAVC | Local Area Vax Cluster | ||||||
| LAWN | Local Area Wireless Network | ||||||
| LB | Leaky Bucket | ||||||
| LB | Load Balance | ||||||
| LB | Local Bus | ||||||
| LB | Pound (usually as lb) | ||||||
| LBA | Logical Block Addressing | ||||||
| LBN | Logical Block Number | ||||||
| LBO | Line BuildOut | ||||||
| LBRV | Low Bit Rate Voice | ||||||
| LBS | LAN Bridge Server | ||||||
| LBS | Load Balance System | |
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| LBT | Listen Before Talk | |
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| LC | Line Conditioner | ||||||
| LC | Link Control | ||||||
| LC | Local Channel | ||||||
| LC | Local Connector | ||||||
| LCAMOS | Loop CAble Maintenance Operation System | ||||||
| LCC | Leadless Chip Carrier | ||||||
| LCC | Lost Calls Cleared | ||||||
| LCCIS | Local Common Channel Interoffice Signaling | ||||||
| LCCL | Line Card Cable | ||||||
| LCCLN | Line Card Cable Narrative | ||||||
| LCD | Line Current Disconnect | ||||||
| LCD | Liquid Crystal Display |
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| LCD | Loss of Cell Delineation | ||||||
| LCD | Lost Calls Delayed | ||||||
| LCDN | Last Call Directory Number | ||||||
| LCF | Log Control Function | ||||||
| LCGN | Logical Channel Group Number | ||||||
| LCI | Logical Channel Identifier / Logical Channel Identification | ||||||
| LCIE | Lightguide Cable Interconnection Equipment | ||||||
| LCLOC | Line Card LOCation | ||||||
| LCM | Line Concentrating Module | ||||||
| LCN | Logical Channel Number | ||||||
| LCOS | Liquid Crystal on Silicon (usually as LCoS) | |
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| LCP | Link Control Protocol | |
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| LCR | Least Cost Routing | ||||||
| LCR | Line Control Register | ||||||
| LCRMKR | Line Card Remarks, Retained | ||||||
| LCS | LAN Channel Station | ||||||
| LCSE | Line Card Service and Equipment | ||||||
| LCSEN | Line Card Service and Equipment Narrative | ||||||
| LCSH | |
Library of Congress Subject Headings | |||||
| LCT | Large Capacity Tray | ||||||
| LCT | Last Compliance Time | ||||||
| LCT-RTS | Languages, Compilers, and Tools for Real-Time Systems | ||||||
| LD | LAN Destination | ||||||
| LD | Laser Diode | ||||||
| LD | Long Distance | ||||||
| LDA | Local Data Area | ||||||
| LDA | Local Delivery Agent | |
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| LDAP | Lightweight Directory Access Protocol | ||||||
| LDCM | |
LANDesk Client Manager | |
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| LDDI | Local Distributed Data Interface | ||||||
| LDDS | Local Distributed Data Service | ||||||
| LDEV | Logical Device (number) | ||||||
| LDI | LVDS Display Interface | ||||||
| LDM | Limited Distance Modem | ||||||
| LDMTS | Long Distance Message Telecommunications Service | |
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| LDN | Listed Directory Number | |
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| LDP | Laboratory Data Products | ||||||
| LDS | |
(VSAM) Linear Data Set | |||||
| LDS | Local Digital Switch | ||||||
| LDT | Local Descriptor Table | |
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| LDTR | |
Local Descriptor Table Register | |||||
| LE | LAN Emulation | ||||||
| LE | Law Enforcement | ||||||
| LE | Local Exchange | ||||||
| LEA | Law Enforcement Agency | ||||||
| LEAP | Lightweight Extensible Application Protocol | ||||||
| LEAS | LATA Equal Access System | ||||||
| LEBC | Low End Business Center | ||||||
| LEC | LAN Emulation Client | ||||||
| LEC | Local Exchange Carrier | ||||||
| LECID | LAN Emulation Client Identifier | ||||||
| LECS | LAN Emulation Configuration Server | ||||||
| LED | |
Light Emitting Diode |
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| LEDS | Low End Disk Systems | ||||||
| LEETAC | |
Law Enforcement Electronic Technology Assistance Committee | |||||
| LEGSS | Low End Graphics Sub-System | ||||||
| LEN | Large Extension Node | ||||||
| LEN | Low End Networks / Low End Networking | ||||||
| LENCL | Line Equipment Number CLass | |
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| LENNI | LAN Emulation Network-to-Network Interface | |
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| LEO | Low-Earth Orbit (satellite) | ||||||
| LEOS | Low Earth Orbit Satellite | ||||||
| LEP | |
Light-Emitting Polymer | |||||
| LES | LAN Emulation Server | ||||||
| LES | Law Enforcement Sensitive | ||||||
| LEST | Low End Systems and Technologies | ||||||
| LF | Largest Frame | ||||||
| LF | |
Line Feed [ASCII Code 10 : %x0A] | |||||
| LF | Line Finder | ||||||
| LF | Low Frequency | ||||||
| LFACS | Loop Facilities Assignment and Control System | ||||||
| LFC | Local Function Capabilities | ||||||
| LFE | Low-Frequency Effects | |
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| LFM | Link Framing Module | ||||||
| LFN | Long Fat Network | ||||||
| LFS | Large File Support | ||||||
| LFX | Local Effects | ||||||
| LGC | Line Group Controller | ||||||
| LGN | Logical Group Node / Logical Group Number | ||||||
| LGPL | |
Lesser General Public License | |
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| LHM | Lord Help Me | ||||||
| LHT | Long Holding Time | ||||||
| LHU | Lord Help Us | |
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| LI | Length Indicator | |
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| LIB | Library | ||||||
| LICS | Logic In Computer Science | ||||||
| LICS | |
Lotus International Character Set | |||||
| LID | Local Injection / Detection | ||||||
| LIDAR | Light Detection And Ranging / Laser Imaging Detection And Ranging | ||||||
| LIDB | Line Information DataBase | ||||||
| LIF | Laser Induced Fluorescence | ||||||
| LIF | Low Insertion Force | ||||||
| LIFO | Last In First Out | ||||||
| LIJP | Leaf Initiated Join Parameter | ||||||
| LILO | Last In Last Out | ||||||
| LILO | Linux Loader | |
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| LIM | Light Intensity Modulation | ||||||
| LIM | Line Interface Module | ||||||
| LIM | |
Lotus/Intel/Microsoft | |||||
| LIMDOW | Light Intensity Modulation Direct OverWrite (technology) | ||||||
| LIMS | |
Lotus Intel Microsoft Specification | |||||
| LIP | |
Language Interface Pack | |||||
| LIP | |
Large Internet Packet | |||||
| LIP | Loop Initialization Primitive (frame) | ||||||
| LIPS | |
Lightweight Internet Person Schema | |||||
| LIPX | Large Internetwork Packet Exchange | ||||||
| LIS | Legacy Information Systems | |
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| LIS | Logical IP Subnet | |
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| LISA | |
Laser Interferometer Space Antenna | |
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| LISA | |
Localisation Industry Standards Association | |
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| LISA | Loop Initialization Select AL_PA (frame) | ||||||
| LISM | Loop Initialization Select Master (frame) | ||||||
| LISP | |
LISt Processing (programming language) | |||||
| LISP | Locator/ID Separation Protocol | ||||||
| LIT | Line Insulation Test | ||||||
| LIU | Line Interface Unit | ||||||
| LIV | Link Integrity Verification | ||||||
| LIW | Long Instruction Word | ||||||
| LJ | |
(HP) LaserJet | |||||
| LKG | Last Known Good | ||||||
| LKGC | |
Last Known Good Configuration |
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| LL | Lower Layers | ||||||
| LLAP | |
LocalTalk Link Access Protocol | |||||
| LLATMI | Lower Layer Asynchronous Transfer Mode Interface | ||||||
| LLC | |
Logical Link Control (Sublayer / Type 1 or Type 2) | |
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| LLC/SNAP | Logical Link Control SubNetwork Access Protocol | ||||||
| LLCS | Logical Link Control Security | ||||||
| LLD2 | Link Layer Discovery and Diagnostics | ||||||
| LLI | |
Lunatic Labs Incorporated | |||||
| LLN | Line Link Network | ||||||
| LLP | Lower Layer Protocol | |
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| LLPDU | Logical Link Protocol Data Unit | |
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| LLS | LAN - Like Switching | ||||||
| LLSIG | Lower Layer Special Interest Group | ||||||
| LLTD | |
Link Layer Topology Discovery | |
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| LLVM | Low Level Virtual Machine (compiler) | ||||||
| LLWANP | LAN - to - LAN Wide Area Network Program | ||||||
| LM | Layer Management | ||||||
| LM | Log Management | |
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| LMAO | Laughing My Ass Off | ||||||
| LMDS | Local Multipoint Distribution Service | ||||||
| LME | Layer Management Entity | ||||||
| LME | |
Longest Match Engine (chip) | |||||
| LMF | License Management Facility | ||||||
| LMF | Low Magnetic Field | ||||||
| LMGT | Let Me Google That | ||||||
| LMGTFY | |
Let Me Google That For You |
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| LMI | Layer Management Interface | ||||||
| LMI | Local Management Interface | ||||||
| LMI | Local Memory Interconnect | ||||||
| LMIC | Locally Managed Internet Connections | ||||||
| LMMP | LAN / MAN Management Protocol | ||||||
| LMMS | LAN / MAN Management Service | ||||||
| LMMS | Local Message Metering System | ||||||
| LMOS | Loop Maintenance Operating System / Loop Maintenance and Operations System | |
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| LMU | LAN Manager for UNIX | |
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| LMX | L MultipleX | ||||||
| LN | Load Number | ||||||
| LN | Local National | ||||||
| LNA | Low Noise Amplifier | ||||||
| LND | Local Number Dialing | ||||||
| LNIB | Like-New In Box (product condition) |
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| LNM | LAN Network Manager | ||||||
| LNP | Local Number Portability | ||||||
| LO | Line Occupancy | ||||||
| LOA | Letters Of Agency | ||||||
| LOB | Line Of Business (sometimes as LoB) | |
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| LOBJECT | Line Of Business obJECT | ||||||
| LOC | |
Library Of Congress | |
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| LOC | Local Operating Company | ||||||
| LOC | Loss Of Cell (delineation) | ||||||
| LOCAP | LOw CAPacitance | ||||||
| LOD | |
Legion of Doom | |
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| LOD | Level Of Detail | |
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| LOD/H | |
Legion Of Doom Hackers | |
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| LODH | |
Legion Of Doom Hackers | |
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| LOF | Loss Of Frame | ||||||
| LOL | Laughing Out Loud | ||||||
| LOL | |
Legion Of Lucifer | |
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| LOM | |
Lights Out Management |
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| LOP | Loss Of Pointer | ||||||
| LOPSA | |
(The) League Of Profesional System Administrators | |
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| LORAN | Long Range Navigation | ||||||
| LORTAD | |
Law on Protection of Personal Data | |||||
| LOS | Line Of Site | ||||||
| LOS | Loss Of Signal | ||||||
| LOTOS | Language of Temporal Ordering Specifications | ||||||
| LOU | |
Legion Of the Underground | |||||
| LOV | List Of Values | ||||||
| LPAR | Logic Programming and Automated Reasoning | ||||||
| LPAR | |
Logical Partition | |||||
| LPC | Linear Prediction Code / Linear Predictive Coding | ||||||
| LPC | Local Procedure Call | ||||||
| LPCDF | Low Profile Combined Distributing Frame | ||||||
| LPD | Line Printer Daemon (sometimes as lpd) | ||||||
| LPF | |
League for Programming Freedom | |||||
| LPI | Lines Per Inch (usually as lpi) | ||||||
| LPI | |
Linux Professional Institute | |
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| LPL | Logical Page List | ||||||
| LPM | Lines Per Minute | ||||||
| LPN | Local Packet Network | ||||||
| LPP | |
License Program Products | |||||
| LPP | Lightweight Presentation Protocol | |
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| LPR | License Plate Recognition | |
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| LPR | Line Printer Remote (usually as lpr) | ||||||
| LPRA | |
Low Power Radio Association |
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| LPT | Line Print Terminal / Line Printer / Local Print Terminal | |
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| LPVS | Link Packetized Voice Server | ||||||
| LQA | Line Quality Analysis | ||||||
| LQFP | Low Profile Quad Flat Package |
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| LRA | Local Registration Authority | ||||||
| LRAP | Long Route Analysis Program | ||||||
| LRC | Linear Responsibility Chart | |
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| LRC | Longitudinal Redundancy Check | ||||||
| LRECL | |
Logical RECord Length | |||||
| LRM | LAN Reporting Mechanism | ||||||
| LRN | Local Routing Number | |
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| LRP | Long Range Plan | ||||||
| LRS | Line Repeater Station | ||||||
| LRSS | Long Range Switching Studies | ||||||
| LRU | Least Recently Used (algorithm) | ||||||
| LS | Line Stabilizer | ||||||
| LS | Local Single-layer | ||||||
| LS/LC | Line Stabilizer / Line Conditioner | ||||||
| LSA | Limited Space-charge Accumulation | ||||||
| LSAP | [IrDA] Logical Service Access Point | ||||||
| LSAP | Link Service Access Point | |
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| LSAPI | Licensing Server Application Program Interface | |
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| LS-API | Licensing Server Application Program Interface | ||||||
| LSASS | Local Security Authority Subsystem Service | ||||||
| LSB | Least Significant Bit | |
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| LSB | |
Linux Standard Base | |
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| LSB | Lower Side Band | ||||||
| LSD | Least Significant Digit | ||||||
| LSD | Line Sharing Device | ||||||
| LSDB | Link State DataBase | ||||||
| LSDU | Link Service Data Unit | ||||||
| LSE | Language Sensitive Editor | ||||||
| LSE | Local Single-layer Embedded | ||||||
| LSE | Local System Environment | ||||||
| LSEL | Link SELector | ||||||
| LSI | Large Scale Integrated circuitry / Large Scale Integration | ||||||
| LSI | |
Local Secondary Index |
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| LSL | |
Link Support Layer | |||||
| LSLC | Line Stabilizer / Line Conditioner | ||||||
| LSM | |
Logical Storage Manager | |||||
| LSM | |
Lotus Smart Movie (file format) | |||||
| LSMS | Local Service Management System | ||||||
| LSN | |
Log Sequence Number | |||||
| LSN | Logical Session Number | ||||||
| LSNRCTL | |
(Oracle) Listener Control (utility) | |
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| LSO | Large Segment Offload | |
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| LSP | Layered Service Provider | ||||||
| LSP | Link State Packet | ||||||
| LSQA | |
Local System Queue Area | |||||
| LSR | Leaf Setup Request | ||||||
| LSR | Local Service Request | ||||||
| LSRP | Local Switching Replacement Planning system | ||||||
| LSRR | Loose Source and Record Route | ||||||
| LSS | Loop Switching System | ||||||
| LSSU | Link Status Signal Unit | ||||||
| LSV | Line Status Verifier | ||||||
| LT | Line Termination | ||||||
| LT | Line Tester | ||||||
| LT | Loop Termination | ||||||
| LT | Lower Tester | ||||||
| LTA | Line TurnAround | ||||||
| LTAB | Line Test Access Bus | ||||||
| LTB | Last Trunk Busy | ||||||
| LTC | Local Test Cabinet | ||||||
| LTD | Local Test Desk | ||||||
| LTE | Line Terminating Entity | ||||||
| LTE | Line Terminating Equipment (SONET) | ||||||
| LTE | Local Telephone Exchange | ||||||
| LTE | Long Term Evolution | |
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| LTF | Lightwave Terminating Frame | |
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| LTF | Line Trunk Frame | ||||||
| LTG | Line Trunk Group | ||||||
| LTM | LAN Traffic Monitor | ||||||
| LTO | Linear Tape-Open (technology) | ||||||
| LTP | Link Test Pulse | ||||||
| LTR | Left to Right |
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| LTRS | Letter Shift | ||||||
| LTS | Loss Test Set | ||||||
| LU | |
Logical Unit | |||||
| LUA | Logical Unit Application | ||||||
| LUG | Local User Group | ||||||
| LUKS | |
Linux Unified Key Setup |
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| LUN | Logical Unit Number | ||||||
| LUNI | LAN emulation User-to-Network Interface | ||||||
| LUT | Look-Up Table | ||||||
| LUV | Lisp Users and Vendors (conference) | ||||||
| LUW | Logical Unit of Work | ||||||
| LVD | Low Voltage Differential (SCSI standard) | ||||||
| LVDS | Low-Voltage Differential Signaling | |
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| LVM | Line Verification Module | ||||||
| LVM | Linux Virtual Machine | ||||||
| LVM | Logical Volume Manager | ||||||
| LWSP | Linear White Space | |
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| LWSP | Logical White SPace | |
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| LWT | Listen While Talk | ||||||
| LXE | Lightguide eXpress Entry | ||||||
| LXR | Linux Cross Referencer / LXR Cross Referencer | |
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| LZPS | Level Zero Processing System (compression) |
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| LZS | |
Lempel-Ziv-Stac (lossless data compression algorithm) | |
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| LZW | |
Lempel-Ziv Welch (compression technology) | |
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