@c Syntax:
@c ACRONYM
@c Expansion[ (Reference)][, "Style"]
@c Additional explanations are included in [square brackets]

@table @asis
@item L1
Level 1 [cache]

@item L2
Level 2 [cache]

@item L2F
Layer 2 Forwarding [protocol] (Shiva, Cisco, IP, IPX, LLC)

@item L2TP
Layer 2 Tunneling Protocol (PPP, VPN, IP)

@item LA
Limited Availability (IBM, OS/2)

@item LA
Location Area (MSC, GSM)

@item LAC
Lotus Authorized Consultants (Lotus)

@item LADT
Local Access Data Transport

@item LAEC
Lotus Authorized Education Center (Lotus)

@item LAG
Logical Address Group (ION)

@item LAM
Local Area Multicomputer (Parallel Computing)

@item LAMP
Linux, Apache, MySQL, PHP (Linux, Apache, PHP)

@item LAN
Local Area Network

@item LANE
Local Area Network Emulation [over ATM specification] (ATM)

@item LANL
Los Alamos National Laboratory (org., USA)

@item LAP
Link Access Procedure / Protocol (CCITT, X.25)

@item LAPB
Link Access Procedure - Balanced (CCITT, LAP, X.25)

@item LAPD
Link Access Procedure on the D channel (X.21, ISDN, TA)

@item LAPIC
Local Advanced Programmable Interrupt Controller (PIC)

@item LAPM
Link Access Procedure for Modem

@item LAPS
LAN Adapter and Protocol Support

@item LASER
Light Amplification by Stimulated Emission of Radiation

@item LASS
Local Area Signaling Service

@item LAT
Local Area Transport (DEC)

@item LATA
Local Access Transport Area

@item LATM
Local Asynchronous Transfer Mode

@item LAVAS
LAger- und VersandAbwicklungsSystem (MBAG)

@item LAVC
Local Area VAX Cluster (VAX, DEC)

@item LAW
Local Authority Workstation

@item LAWN
Local Area Wireless Network

@item LBA
Logical Block Addressing (EIDE)

@item LBM
Local Bus Master

@item LBN
Logical Block Number (LBA)

@item LBT
Local Bus Targets

@item LBX
Low-Band with X

@item LC
Linux Computer (Corel)

@item LC
Loopback Capability (UNI, ATM, OAM)

@item LCA
Logic Cell Array

@item LCC
Local Control Center

@item LCCM
LAN Client Control Manager (IBM, LAN)

@item LCD
Liquid-Crystal Display (LCD)

@item LCD
LISP Code Directory (EMACS)

@item LCD
Loss of Cell Delineation (UNI, ATM)

@item LCGI
Local Common Graphics Interface (CGI, WWW)

@item LCM
LEAF Creation Method (EES, cryptography)

@item LCN
Logical Channel Numbers

@item LCP
[PPP] Link Control Protocol (PPP, RFC 1570)

@item LCR
Least Cost Routing

@item LCS
Laboratory for Computer Science (MIT)

@item LCS
Linux Compatibility Standard (Linux)

@item LCS
Liquid Crystal Shutter

@item LCS
Lotus Communication Server

@item LCSS
Liquid Crystal Stereoscopic Shutter [display]

@item LCT
Last Compliance Time (GCRA)

@item LCU
LAN CID Utility (CID, IBM)

@item LCV
Line Coding Violation [error event] (DS1/E1, DS3/E3)

@item LD
LAN Destination (ATM)

@item LDAP
Lightweight Directory Access Protocol (RFC 1777, X.500, DS)

@item LDAPAPI
Lightweight Directory Access Protocol Application Program Interface (LDAP, RFC 1823, API), "LDAP API"

@item LDCM
LANDesk Client Manager

@item LDID
Logical Disk IDentifier (MS)

@item LDP
Linux Document Projects (Linux)

@item LDP
Loader Debugger Protocol (RFC 909)

@item LDR
Light Detect Resistor

@item LDT
Local Descriptor Table (CPU, Intel)

@item LDTR
Load Descriptor Table Register (CPU, Intel, assembler)

@item LDTRC
Local Descriptor Table Register Cache (LDT, Intel, CPU)

@item LDVA
LaenderDatenVerareitungsAnlage

@item LE
LAN Emulation (LANE, ATM)

@item LEAF
Law Enforcement Access Field (EES, cryptography)

@item LEARP
LAN Emulation Address Resolution Protocol (LANE, ARP, ATM), "LE-ARP"

@item LEAS
LATA Equal Access System

@item LEC
LAN Emulation Client (LANE, ATM)

@item LEC
Layered Error Correction (CD)

@item LEC
Local Exchange Carrier (FCC, LATA, IEC)

@item LECID
LAN Emulation Client IDentifier (LANE, ATM, LEC)

@item LECS
Local area network Emulation Configuration Server (ATM, LANE, LEC)

@item LED
Light-Emitting Diode

@item LEL
Link, Embed and Launch (UNIX)

@item LEN
Low Entry Networking (IBM, SNA, PU)

@item LEO
Link Everything Online (WWW, TUM)

@item LES
LAN Emulation Server (LANE, ATM)

@item LES
Line Errored Seconds (DS1/E1, DS3/E3)

@item LF
Line Feed (ASCII)

@item LF
Login Facility (DCE)

@item LFA
Link Field Address (Forth)

@item LFA
Local Feature Analysis

@item LFAP
Leight weight Flow Admission Protocol (Cabletron, RFC 2124)

@item LFB
Linear Frame Buffer (CPU, VESA)

@item LFCC
Linux Federation for Commercial Customers (Linux)

@item LFN
Long File Names

@item LFNBK
Long File Name BacKup (MS)

@item LFO
Low Frequency Oscillator

@item LFS
Loopback File System

@item LFSR
Linear Feedback Shift Register

@item LGX
Linux/GNU/X [distribution] (Yggdrasil, Linux, GNU)

@item LIC
Licensed Internal Code

@item LIF
Low Insertion Force (IC)

@item LIFD
Last In First Drop

@item LIFE
Laboratory for International Fuzzy Engineering [research] (MITI)

@item LIFE
Logistics Interface For manufacturing Environment

@item LIFO
Last In First Out

@item LIJP
Leaf Initiated Join Parameter

@item LILO
LInux [boot] LOader (Linux)

@item LIM
Lotus - Intel - Microsoft (manufacturer)

@item LIMDOW
Laser / Light  Intensity Modulation, Direct OverWrite (MOD)

@item LIMEMS
Lotus - Intel - Microsoft Expamded Memory Specification (Lotus, Intel, MS, EMS), "LIM EMS"

@item LIP
Large Internet Packet

@item LIPS
Logical Inferences Per Second (AI, KI, XPS)

@item LIS
Logical IP Subnet (RFC 1577, ION)

@item LISA
Linux Installation & System Administration (Linux, LST)

@item LISP
LISt Processor (LISP)

@item LISP
Lots of Isolated Silly Parentheses (LISP, slang)

@item LISUAF
[thueringer] LandesInformationsSystem Umwelt, Agrar und Forst (UIS), "LIS-UAF"

@item LITA
Library and Information Technology Association (org., USA)

@item LIU
Line Interface Unit

@item LIV
Link Integrity Verification

@item LIVID
Language Identification and Voice IDentification

@item LIW
Long Instruction Word (CPU)

@item LKI
Labor fuer Kuenstliche Intelligenz (org., KI, Hamburg, Germany)

@item LLAP
Localtalk Link Access Protocol (AppleTalk, LAP)

@item LLATMI
Lower Layer ATM Interface (ATM)

@item LLB
Local Location Broker (NCS)

@item LLC
Logical Link Control (IEEE 802.2, ISO, OSI)

@item LLCSNAP
Logical Link Control/SubNetwork Access Protocol (LLC, SNAP), "LLC/SNAP"

@item LLN
Line Link Network

@item LLNL
Lawrence Livermore National Laboratory (org., USA)

@item LLP
Link Level Protocol (BTX)

@item LMDS
Local Multi-point Distribution System

@item LME
Layer Management Entity (OSI)

@item LMFAO
Laughing My Fucking Ass Off (Usenet, IRC, slang)

@item LMI
Layer Management Interface (ATM)

@item LMS
Library Maintenance System (BS2000)

@item LMU
LAN Manager for Unix (Unix), "LM/U" 

@item LMX
LAN Manager for uniX (LAN, Unix, MS), "LM/X"

@item LNN
Lotus Notes Network (Lotus)

@item LOC
LAN Operations Center (LAN)

@item LOC
Lines Of Code

@item LOC
Loss of Cell delineation (UNI, ATM)

@item LOCIS
Library Of Congress Information System (Internet)

@item LOCT
Layered Open Crypto Toolkit (RSA, cryptography)

@item LOD
Level Of Detail (3D)

@item LOF
Loss of Frame (UNI, ATM, DS3/E3)

@item LOL
Laughing Out Loud (slang, Usenet, IRC)

@item LOOPS
LISP Object Oriented Programming System (Xerox, OOP, LISP)

@item LOP
Loss of Pointer (UNI)

@item LOS
Local Operating System

@item LOS
Loss of Signal (UNI, ATM)

@item LOSP
LOw SPeed channel connector (Cray, I/O)

@item LOVIS
LagerOrtVerwaltungs- und InformationsSystem (MBAG)

@item LP
Line Printer (Unix)

@item LP
Linear Programming

@item LP
Logical Partition (LVM)

@item LPB
[S3] Local Peripheral Bus

@item LPC
Linear Predictive Coding (voice processing)

@item LPD
Line Printer DAEMON

@item LPDA
Link Problem Determination Aid

@item LPDP
Line Printer DAEMON Protocol (RFC 1179)

@item LPDU
Link Protocol Data Unit

@item LPEX
Live Parsing eXtensible Editor (IBM, OS/2)

@item LPF
League for Programming Freedom (org.)

@item LPI
Lines Per Inch

@item LPP
Licensed Program Product (IBM)

@item LPR
Low Priority Request (VUMA)

@item LPS
Lines Per Second

@item LPT
Line PrinTer

@item LPX
??? [motherboard]

@item LQ
Letter Quality

@item LQM
Link Quality Monitoring (PPP)

@item LR
Location Register (LA, GSM)

@item LRC
Longitudinal Redundancy Check

@item LRPC
Lightweight Remote Procedure Calls (OLE)

@item LRS
Line Repeater Station

@item LRU
Least Recently Used

@item LS
LAN Server (IBM)

@item LSA
Link State Advertisement (OSPF)

@item LSA
Lotus Solution Architecture (Lotus)

@item LSAPI
Licensed Services Application Program Interface (MS, API)

@item LSB
Least Significant Bit

@item LSB
Linux Standard Base (Linux)

@item LSE
Local Subscriber Environment

@item LSF
Load Sharing Facility

@item LSI
Large Scale Integration

@item LSL
Link Support Layer (ODI)

@item LSM
Linux Software Map (Linux)

@item LSN
Logical Sector Numbers (OS-9)

@item LSO
Linux Standards Organization (org., Linux)

@item LSR
Leaf Setup Request

@item LST
Linux Support Team [distribution] (Linux)

@item LSU
LAN Service Unit (LAN)

@item LT
Line Termination (ADSL)

@item LT
Logical Terminal (IBM)

@item LT
Lower Tester (ISO 9646-1)

@item LTC
Line Termination Coordinator

@item LTC
Longitudinal Time Code (Video)

@item LTE
Line Terminating Equipment (SONET)

@item LTID
Logical Terminal IDentifier (IBM)

@item LU
Logical Unit (NAU)

@item LU62
Logical Unit 6.2 (IBM), "LU6.2"

@item LUG
Local Users Group

@item LUN
Logical Unit Number (SCSI)

@item LUNA
Leuchtendatei fuer UnfallfluchtNAchforschungen (INPOL)

@item LUNI
LANE User Network Interface (LANE, ATM)

@item LUT
Look-Up Table (RAMDAC)

@item LV
Logical Volume (LVM)

@item LVD
Low Voltage Differential [technology] (SCSI, Symbois Logic)

@item LVDS
Low Voltage Differential Signal (TI, NSC)

@item LVM
Logical Volume Manager (AIX, HP/UX, OSF/1, HDD)

@item LVN
LandesVerwaltungsNetz (Baden-Wuerttemberg)

@item LVTTL
Low Voltage Transistor Transistor Level (IC)

@item LW
Living Worlds (VRML)

@item LWC
Last Working Configuration (ESCD, PNP, BIOS)

@item LWL
LichtWellenLeiter (cable)

@item LWP
Light Weight Process (Sun, OS)

@item LX
Linear eXecutable (OS/2)

@item LZS
Lempel-Ziv-Stac [compression]

@item LZSDCP
[PPP] Lempel-Ziv-Stac - Data Compression Protocol (PPP, RFC 1967), "LZS-DCP"

@item LZW
Lempel-Ziv-Welch [compression]

@end table