Index: L

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Index: L

l command (sed): 12.4. Alphabetical Summary of sed Commands (Linux in a Nutshell)

laddering (printing problems): 8.4.1. Checking Printer Hardware (Running Linux)

LAN (local area network), NFS and NIS: 15.5. NFS and NIS Configuration (Running Linux)

Lane, David: 11.8. Where to Find Out More (Managing & Using MySQL)

LANG environment variable (tcsh): 8.4.6. Environment Variables (Linux in a Nutshell)

language for KDE: 11.2.3.2.3. Internationalization (Running Linux)

language negotiation: 6.3. Language Negotiation (Apache: The Definitive Guide)

language, PHP: 2. Language Basics (Programming PHP)

LanguagePriority property: 6.3. Language Negotiation (Apache: The Definitive Guide)

languages, Template Toolkit: D.4. Template Toolkit Language (Practical mod_perl)

laptop computers, support for: 1.5.8. Laptop Support (Running Linux)

last command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

last-in first-out (LIFO) stacks: 5.10.2. Stacks (Programming PHP)

last-modified header: 16.1.2. Last-Modified Header (Practical mod_perl)

set_last_modified( ) method: 16.1.2. Last-Modified Header (Practical mod_perl)

last-modified, update_mtime( ): 16.1.2. Last-Modified Header (Practical mod_perl)

lastb command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LAST_INSERT_ID( ) function: 3.6.2. Sequence Generation (Managing & Using MySQL)

17.2.2. General Functions (Managing & Using MySQL)

LAST_INSERT_ID option (SET statement): 15.2. SQL Commands (Managing & Using MySQL)

lastlog command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lastlog file: 8.3. Managing System Logs (Running Linux)

LaTeX text processing: 9.3.2. TEX and LATEX (Running Linux)

formatting and printing: 9.3.2.2. Formatting and printing (Running Linux)

Laurie, Ben: 11.8. Where to Find Out More (Managing & Using MySQL)

Laurie, Peter: 11.8. Where to Find Out More (Managing & Using MySQL)

layering modules: B.15.1. Apache::OutputChain—Chain Stacked Perl Handlers (Practical mod_perl)

layers, filters: 20.9. Filters, Buckets, and Bucket Brigades (Apache: The Definitive Guide)

layers, modules: B. Apache Perl Modules (Practical mod_perl)

lbnamed server web site: 12.16. References (Practical mod_perl)

LCASE( ) function: 17.2.2. General Functions (Managing & Using MySQL)

LC_CTYPE environment variable (tcsh): 8.4.6. Environment Variables (Linux in a Nutshell)

lcd command (ftp): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lcg_value( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

ld command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LDAP-compliant directory services: 6.3.1.1. User management (Managing & Using MySQL)

LDAP (Lightweight Directory Access Protocol): B.1. Optional Extensions Listing (Programming PHP)

ldconfig command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

7.2.1. Upgrading Libraries (Running Linux)
7.2.1. Upgrading Libraries (Running Linux)

ldd command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

7.2.1. Upgrading Libraries (Running Linux)

ldd utility: 13.1.7.1. Creating shared libraries (Running Linux)

LD_LIBRARY_PATH environment variable: 14.1.3. Calling a UDF (Managing & Using MySQL)

LDP (Linux Documentation Project): 0.1. Why People Like Linux (Running Linux)

0.1. Why People Like Linux (Running Linux)
A.1. Linux Documentation Project (Running Linux)
A.1. Linux Documentation Project (Running Linux)

ld.so.cache file: 7.2.1. Upgrading Libraries (Running Linux)

ld.so.conf file: 7.2.1. Upgrading Libraries (Running Linux)

leading parameter for PDF text: 10.3.2. Text Functions (Programming PHP)

leak_test( ): 14.2.6. Memory Leakage (Practical mod_perl)

LEAST( ) function: 17.2.2. General Functions (Managing & Using MySQL)

left command (ex): 11.14. Alphabetical Summary of ex Commands (Linux in a Nutshell)

LEFT( ) function: 3.9.4. Functions (Managing & Using MySQL)

17.2.2. General Functions (Managing & Using MySQL)

LEFT JOIN keywords: 3.9.5. Outer Joins (Managing & Using MySQL)

left outer joins: 1.4. MySQL Features (Managing & Using MySQL)

3.9.5. Outer Joins (Managing & Using MySQL)

left shift (<<) operator: 2.4.9. Bitwise Operators (Programming PHP)

legal issues (see GPL)

1.6. About Linux's Copyright (Running Linux)

of output buffers: 13.3.1. Output Buffering (Programming PHP)

of strings: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)

strlen( ) function (example): 3.1. Calling a Function (Programming PHP)

length command (gawk): 13.8. Alphabetical Summary of Commands (Linux in a Nutshell)

LENGTH( ) function: 3.9.4. Functions (Managing & Using MySQL)

3.9.4.2. String functions (Managing & Using MySQL)
17.2.2. General Functions (Managing & Using MySQL)

length keyword (expr): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

length parameter (main routine): 14.1.1.2. The main routine (Managing & Using MySQL)

Lerdorf, Rasmus: 1.2. A Brief History of PHP (Programming PHP)

less command: 4.4.3. Viewing Files, More or Less (Running Linux)

less program: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

bzless: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
commands: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
keybindings, configuring for (lesskey): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
options: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

less-than comparison operator (<): 3.8. SQL Operators (Managing & Using MySQL)

17.1.3. Comparison Operators (Managing & Using MySQL)

less than (<) operator: 2.4.8. Comparison Operators (Programming PHP)

less-than-or-equal-to comparison operator (<=): 3.8. SQL Operators (Managing & Using MySQL)

17.1.3. Comparison Operators (Managing & Using MySQL)

less than or equal to (<=) operator: 2.4.8. Comparison Operators (Programming PHP)

less-than sign (<), input redirection: 4.9. Saving Your Output (Running Linux)

lesskey command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

let command (bash): 7.7. Built-in Commands (Linux in a Nutshell)

level numbers: 6.4. Type Maps (Apache: The Definitive Guide)

levels of conditions, error reporting: 13.4.1. Error Reporting (Programming PHP)

levenshtein( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

levenshtein( ) function: 4.6.2. Approximate Equality (Programming PHP)

Levenshtein algorithm, calculating similarity of strings: 4.6.2. Approximate Equality (Programming PHP)

Levine, John: 3.1. SQL Basics (Managing & Using MySQL)

lex (see flex)

lexical variables

changing to global: 6.2.1. The First Mystery: Why Does the Script Go Beyond 5? (Practical mod_perl)
closures and: 6.2.1. The First Mystery: Why Does the Script Go Beyond 5? (Practical mod_perl)

lexically scoped variables, Apache::RegistryLexInfo module and: 10.1.2.1. Variable unsharing caused by regular expressions (Practical mod_perl)

lexicographic (textual) comparisons: 2.4.8. Comparison Operators (Programming PHP)

lf variable (printcap): 8.4.5.3. The rest of the printcap variables (Running Linux)

lftp command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lftpget command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

/lib directory: 14.1.3. Calling a UDF (Managing & Using MySQL)

libc library, upgrading: 7.2.1. Upgrading Libraries (Running Linux)

7.2.1. Upgrading Libraries (Running Linux)

libexec/libperl.so: open failed: No such file or directory message: 22.1.1. libexec/libperl.so: open failed: No such file or directory (Practical mod_perl)

libgdbm.so, errors with Makefile.PL: 3.1.8.2. Missing or misconfigured libgdbm.so (Practical mod_perl)

libgtop C library: 9.3. Process Memory Measurements (Practical mod_perl)

web site: 9.6. References (Practical mod_perl)

libm library, upgrading: 7.2.1. Upgrading Libraries (Running Linux)

libncurses library: 7.2.1. Upgrading Libraries (Running Linux)

libperl.a library: 3.5.4. Building mod_perl as a DSO via APACI (Practical mod_perl)

libperl.so libraries: 3.5.4. Building mod_perl as a DSO via APACI (Practical mod_perl)

libraries: 1.3. Installing PHP (Programming PHP)

(see also extensions)

code: 13.1. Code Libraries (Programming PHP)

concealing for security: 12.5. Concealing PHP Libraries (Programming PHP)

dbm, troubleshooting: 3.1.8.2. Missing or misconfigured libgdbm.so (Practical mod_perl)

libgdbm errors: 3.1.8.2. Missing or misconfigured libgdbm.so (Practical mod_perl)

mod_perl: 3.5.4. Building mod_perl as a DSO via APACI (Practical mod_perl)

namespace conflicts: 6.3.3.1. A first faulty scenario (Practical mod_perl)

PEAR, installing: 1.3. Installing PHP (Programming PHP)

programming: 13.1.1. Quick Overview (Running Linux)

13.1.7. More Fun with Libraries (Running Linux)

Apache::Reload and: 6.8.2.3. Using Apache::Reload (Practical mod_perl)
Apache::StatINC and: 6.8.2.2. Using Apache::StatINC (Practical mod_perl)
dynamic configuration files and: 6.8.2.4. Using dynamic configuration files (Practical mod_perl)
forcing: 6.8.2.1. Restarting the server (Practical mod_perl)

saving as subroutines: 6.2.1. The First Mystery: Why Does the Script Go Beyond 5? (Practical mod_perl)

shared: 13.1.7.1. Creating shared libraries (Running Linux)

corrupt links: 8.6.2. Accessing Damaged Files (Running Linux)

support for: 1.4.3. Kernel (Running Linux)

upgrading: 7.2.1. Upgrading Libraries (Running Linux)

libraries, APR: 20.2. APR (Apache: The Definitive Guide)

libraries directory, porting to mod_perl 2.0: 25.1.3. Code Porting (Practical mod_perl)

library functions (PHP): 18. MySQL PHP API Reference (Managing & Using MySQL)

frequently-used: 11.3.4. Frequently Used MySQL Library Functions (Managing & Using MySQL)
handling results: 11.3.3. Handling Results (Managing & Using MySQL)
managing sessions: 11.5. Managing Sessions (Managing & Using MySQL)
opening/using database connections: 11.3.2. Opening and Using a Database Connection (Managing & Using MySQL)
securing user data: 11.4. Securing User Data (Managing & Using MySQL)

LIBRARY_PATH environment variable: 13.1.7.1. Creating shared libraries (Running Linux)

/Library/StartupItems directory: 4.2.2. Mac OS X (Managing & Using MySQL)

libswf extension, configuring external dependencies: 14.4.2. External Dependencies (Programming PHP)

libwww-perl web site: 2.9. References (Practical mod_perl)

license, Apache: 0.1. Who Wrote Apache, and Why? (Apache: The Definitive Guide)

licenses, X Window System: 10. Installing the X Window System (Running Linux)

Lightweight Directory Access Protocol (LDAP): B.1. Optional Extensions Listing (Programming PHP)

using indexes with: 5.2.2.1. Index guidelines (Managing & Using MySQL)
pattern matching and: 3.8.4. Pattern Matching (Managing & Using MySQL)

boot time options: 5.2.2.3. Specifying boot time options (Running Linux)
configuration: 5.2.2.1. The /etc/lilo.conf file (Running Linux)
installing: 3.1.7. Creating the Boot Floppy or Installing LILO (Running Linux)
overview: 5.2.2. Using LILO (Running Linux)
removiong: 5.2.2.4. Removing LILO (Running Linux)
as secondary bootloader: 5.2.2.2. Using LILO as a secondary bootloader (Running Linux)

lilo command: 4.2. LILO: The Linux Loader (Linux in a Nutshell)

4.2.2. The lilo Command (Linux in a Nutshell)

LILO (Linux Loader): 4.2. LILO: The Linux Loader (Linux in a Nutshell)

boot-time kernel options: 4.7. Boot-Time Kernel Options (Linux in a Nutshell)

configuration file: 4.2.1. The LILO Configuration File (Linux in a Nutshell)

global options: 4.2.1.1. Global options (Linux in a Nutshell)
image options: 4.2.1.2. Image options (Linux in a Nutshell)
kernel options: 4.2.1.3. Kernel options (Linux in a Nutshell)

GRUB, compared to: 4.3. GRUB: The Grand Unified Bootloader (Linux in a Nutshell)

initrd option: 4.8. initrd: Using a RAM Disk (Linux in a Nutshell)

LIMIT clause: 3.7.4. Limiting Results (Managing & Using MySQL)

15.2. SQL Commands (Managing & Using MySQL)

limit command (tcsh): 8.9. Built-in Commands (Linux in a Nutshell)

Limit directive: 4.10.5. Protecting Private Status Locations (Practical mod_perl)

line breaks in PHP code: 2.1.3. Whitespace and Line Breaks (Programming PHP)

line-end character sequence: 1.1.2. The Common Gateway Interface Specification (Practical mod_perl)

line endings on Unix and Windows: 15.2.7. End-of-Line Handling (Programming PHP)

linefeed characters, inserting: 8.4.7. Print Filters (Running Linux)

lines, drawing: 9.4.5. Basic Drawing Functions (Programming PHP)

from current point back to starting point: 10.4.2. Graphics (Programming PHP)

LINES environment variable (tcsh): 8.4.6. Environment Variables (Linux in a Nutshell)

LINES TERMINATED BY keyword: 15.2. SQL Commands (Managing & Using MySQL)

lingerd: 12.7.4. Closing Lingering Connections with lingerd (Practical mod_perl)

link( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

link command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

link editor (ld): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

linker: 13.1.1. Quick Overview (Running Linux)

linker options, gcc: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

linkinfo( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

links: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)

in PDF documents[links

PDF}: 10.5.2. Links (Programming PHP)

lstat( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

readlink( ) function: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)

symbolic: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)

unlinking: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)

Linux: 0. Preface (Linux in a Nutshell)

1. Introduction (Linux in a Nutshell)

advantages of: 1.1. The Excitement of Linux (Linux in a Nutshell)

application development

suitability for: 1.5.4. Programming Languages and Utilities (Running Linux)

copying distributions

restrictions: 2.1.1. Getting Linux via Mail Order or Other Hard Media (Running Linux)

default shell: 7. bash: The Bourne-Again Shell (Linux in a Nutshell)

7. bash: The Bourne-Again Shell (Linux in a Nutshell)
changing: 8. tcsh: An Extended C Shell (Linux in a Nutshell)

distributions and support: 1.2. Distribution and Support (Linux in a Nutshell)

Documentation Project (see LDP)

feature overview: 1.4.2. A Bag of Features (Running Linux)

1.4.2. A Bag of Features (Running Linux)

history of: 0. Preface (Running Linux)

1.2. A Brief History of Linux (Running Linux)

installing Alpha systems: B.2.2.1. Firmware options (Running Linux)

B.3. Installing Linux (Running Linux)
B.3.1. General Procedure (Running Linux)

Internet sources: 2.1.2. Getting Linux from the Internet (Running Linux)
mail order: 2.1.1. Getting Linux via Mail Order or Other Hard Media (Running Linux)

online support: 0.. Online Linux Support (Linux in a Nutshell)

periodicals: 0.. Linux Journal and Linux Magazine (Linux in a Nutshell)

shells (see shells)

Unix, compared to: 1. Introduction (Linux in a Nutshell)

Unix knowledge, necessary level of: 1.7.1. Hints for Unix Novices (Running Linux)

usefulness of: 1. Introduction to Linux (Running Linux)

1.3. Who's Using Linux? (Running Linux)
1.3. Who's Using Linux? (Running Linux)

Usenet newsgroups: 0.. Usenet Newsgroups (Linux in a Nutshell)

user groups and distribution packages: 2.1.1. Getting Linux via Mail Order or Other Hard Media (Running Linux)

version numbers: 7.4. Building a New Kernel (Running Linux)

web sites devoted to: 0.. Web Sites (Linux in a Nutshell)

Linux, buffer sizes, changing: 12.7.3. Buffering Feature (Practical mod_perl)

Linux Distribution HOWTO: 2.1. Distributions of Linux (Running Linux)

Linux documentation: 0.. Online Documentation (Linux in a Nutshell)

Linux Documentation Project (LDP): A.1. Linux Documentation Project (Running Linux)

installing MySQL on: 2. Installation (Managing & Using MySQL)

2.2.2. Binary (RPM) Distributions (Managing & Using MySQL)

log rotation and: 4.3.4. Log Rotation (Managing & Using MySQL)

server startup/shutdown: 4.2.1. Unix/Linux (Managing & Using MySQL)

Linux User Groups (LUGs): 0.. Linux User Groups (Linux in a Nutshell)

Linux Virtual Server Project web site: 5.12. References (Practical mod_perl)

LISP language: 13.6. Other Languages (Running Linux)

list( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

combining with array_slice( ): 5.5.1. Slicing an Array (Programming PHP)
copying array values into variables: 5.5. Extracting Multiple Values (Programming PHP)

list command: 21.5.6. Introduction to the Perl Debugger (Practical mod_perl)

List command, displaying breakpoints: 21.5.6. Introduction to the Perl Debugger (Practical mod_perl)

list command (ex): 11.14. Alphabetical Summary of ex Commands (Linux in a Nutshell)

list_dbs( ): 10.2. Proprietary Operations (Managing & Using MySQL)

Listen directive: 4.2.4. Port-Based Virtual Hosting (Apache: The Definitive Guide)

4.3. Two Copies of Apache (Apache: The Definitive Guide)

ListenBacklog directive: 4.3. Two Copies of Apache (Apache: The Definitive Guide)

1.2.1. Forking (Practical mod_perl)

listflags variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

listing loaded modules (lsmod): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

listjobs variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

listlinks variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

listmax variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

listmaxrows variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

lists, strings, performance: 13.4. Interpolation, Concatenation, or List (Practical mod_perl)

list_tables( ): 10.2. Proprietary Operations (Managing & Using MySQL)

literals: 2.1.5. Literals (Programming PHP)

string: 2.2.3. Strings (Programming PHP)

literals used in SQL: 15.1.1. Literals (Managing & Using MySQL)

live filesystems, installing Linux: 3.1.6. Installing the Software (Running Linux)

ln command: 3.2. Butterthlies, Inc., Gets Going (Apache: The Definitive Guide)

3.5.1. FollowSymLinks, SymLinksIfOwnerMatch (Apache: The Definitive Guide)
3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
7.2.1. Upgrading Libraries (Running Linux)

load balancing: 13.5.5.2. Load balancing and redirection (Programming PHP)

load balancing, definition: 8.2. Choosing the Right Hardware (Practical mod_perl)

LOAD DATA INFILE statement: 6.1.2.1. GRANT and REVOKE (Managing & Using MySQL)

LOAD statement: 3.9.7.2. The LOAD command (Managing & Using MySQL)

15.2. SQL Commands (Managing & Using MySQL)

loadable device drivers: 7.5. Loadable Device Drivers (Running Linux)

loadable module support, building kernel and: 7.4.2. Building the Kernel (Running Linux)

LOAD_FILE( ) function: 17.2.2. General Functions (Managing & Using MySQL)

loading code and HTML from another module: 2.6. Including Code (Programming PHP)

loadkeys command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

Loadlin: 4.5. Loadlin: Booting from MS-DOS (Linux in a Nutshell)

initrd option: 4.8. initrd: Using a RAM Disk (Linux in a Nutshell)

LoadModule directive: 2.4.1. Installing mod_perl with the Perl Package Manager (Practical mod_perl)

DSO support: 3.1. Configuring the Source (Practical mod_perl)

local access method (CVS): 15.6.1. Repository Locators (Linux in a Nutshell)

local command (bash): 7.7. Built-in Commands (Linux in a Nutshell)

local installation, Apache: 3.9.4. Making a Local Apache Installation (Practical mod_perl)

LOCAL keyword: 3.9.7.2. The LOAD command (Managing & Using MySQL)

local networks: 2.3.6. A Local Network (Apache: The Definitive Guide)

local scope: 2.3.3.1. Local scope (Programming PHP)

function parameters: 2.3.3.4. Function parameters (Programming PHP)

local server application: 15.3.1. Background (Programming PHP)

local variables, freeing values in memory management: 2.3.4. Garbage Collection (Programming PHP)

locale command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

locale system (Unix): 4.9. POSIX-Style Regular Expressions (Programming PHP)

localeconv( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

localhost, make test errors and: 3.3.2.4. make test fails due to misconfigured localhost entry (Practical mod_perl)

localized sorting: 3.7.3.2. Localized sorting (Managing & Using MySQL)

localtime( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

locate command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LOCATE( ) function: 17.2.2. General Functions (Managing & Using MySQL)

<Location> directive: 3.3. Block Directives (Apache: The Definitive Guide)

Location header: 7.5.2. Redirections (Programming PHP)

<Location> section (Apache configuration file): 4.1.3. <Directory>, <Location>, and <Files> Sections (Practical mod_perl)

4.1.3.3. <Location URI> ... </Location> (Practical mod_perl)
overriding: 4.2.2. <Location /perl> Sections (Practical mod_perl)

<LocationMatch> directive: 3.3. Block Directives (Apache: The Definitive Guide)

<Location/perl> section: 4.2.2. <Location /perl> Sections (Practical mod_perl)

lock boot option: 3.1.1. Booting Linux (Running Linux)

lock command (GRUB): 4.4.2. Command-Line and Menu Entry Commands (Linux in a Nutshell)

LOCK IN SHARE MODE clause: 15.2. SQL Commands (Managing & Using MySQL)

LOCK statement: 3.9.3. Table Locking (Managing & Using MySQL)

15.2. SQL Commands (Managing & Using MySQL)

Locker keyword (RCS): 14.3.1.1. Keywords (Linux in a Nutshell)

lockfile command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LockFile directive: 3.4. Other Directives (Apache: The Definitive Guide)

critical sections: 6.9.2.1. Critical section (Practical mod_perl)
databases, Apache::DBI and: 20.1.5.1. Database locking risks (Practical mod_perl)
tie( ) calls: 19.3. Flawed Locking Methods (Practical mod_perl)
untie( ) calls: 19.3. Flawed Locking Methods (Practical mod_perl)

locking files: 14.2.6. Revision Control Tools — RCS (Running Linux)

locking model: 14. RCS (Linux in a Nutshell)

CVS: 15.1.1. Locking and Merging (Linux in a Nutshell)

DB_File::Lock module and: 19.6.2. Read/Write Access (Practical mod_perl)
deadlocks: 19.2.1. Deadlocks (Practical mod_perl)
exclusive: 19.2. Resource Locking (Practical mod_perl)
file-locking wrappers: 19.4. Locking Wrappers Overview (Practical mod_perl)
flawed methods: 19.3. Flawed Locking Methods (Practical mod_perl)
resource locking, DBM and: 19.2. Resource Locking (Practical mod_perl)
shared locks: 19.2. Resource Locking (Practical mod_perl)

log10( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

--log-bin-index=file option: 4.3.2. The Binary Log (Managing & Using MySQL)

--log-bin=file option: 4.3.2. The Binary Log (Managing & Using MySQL)

CVS: 15.6.7. User Commands (Linux in a Nutshell)
gawk: 13.8. Alphabetical Summary of Commands (Linux in a Nutshell)
tcsh: 8.9. Built-in Commands (Linux in a Nutshell)

centralized: 5.11.1.3. Centralized logging (Practical mod_perl)

collecting and processing tools web site: 5.12. References (Practical mod_perl)

MySQL: 4.3. Logging (Managing & Using MySQL)

non-scheduled: 5.11.1.2. Non-scheduled emergency log rotation (Practical mod_perl)
scheduled: 5.11.1.1. Scheduled log file rotation (Practical mod_perl)

server maintenance: 5.11.1. Handling Log Files (Practical mod_perl)

LOG( ) function: 17.2.2. General Functions (Managing & Using MySQL)

Log keyword (RCS): 14.3.1.1. Keywords (Linux in a Nutshell)

Log objects, serializing/deserializing (example): 6.6. Serialization (Programming PHP)

--log-slow-queries=filename option: 4.3.3. The Slow Query Log (Managing & Using MySQL)

--logfilediroption: 3.9.4. Making a Local Apache Installation (Practical mod_perl)

LogFormat directive: 10.2. Apache's Logging Facilities (Apache: The Definitive Guide)

logger command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

logging: 10.2. Apache's Logging Facilities (Apache: The Definitive Guide)

API functions: A.6.20. Logging Functions (Apache: The Definitive Guide)

CGI script information: 16.5. Script Directives (Apache: The Definitive Guide)

cookies: 16.4.1. Apache Cookies (Apache: The Definitive Guide)

16.4.1. Apache Cookies (Apache: The Definitive Guide)

in error handlers: 13.4.4.1. Logging in error handlers (Programming PHP)

error messages to syslog: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)

example: 10.2.1. site.authent — Another Example (Apache: The Definitive Guide)

format of log files: 10.2. Apache's Logging Facilities (Apache: The Definitive Guide)

functions for: A.1. PHP Functions by Category (Programming PHP)

logs directory: 1.2. How Apache Works (Apache: The Definitive Guide)

module for: 21.3. The Module Structure (Apache: The Definitive Guide)

opening connection to system logger: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

session errors: 7.6.2.3. Custom storage (Programming PHP)

SSL activity: 11.8.1. Apache-SSL Directives for Apache v1.3 (Apache: The Definitive Guide)

URL substitutions: 8.2. Rewrite (Apache: The Definitive Guide)

logging (Apache request processing): 1.4. Apache 1.3 Request Processing Phases (Practical mod_perl)

logging out of sessions: 11.5. Managing Sessions (Managing & Using MySQL)

logging-phase handlers, modules: B. Apache Perl Modules (Practical mod_perl)

B.16.1. Apache::RedirectLogFix—Correct Status While Logging (Practical mod_perl)

logical operators: 3.8.1. Logical Operators (Managing & Using MySQL)

17.1.4. Logical Operators (Managing & Using MySQL)
2.4.10. Logical Operators (Programming PHP)

logical operators (expr): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

overview: 4.1. Logging In (Running Linux)
passwords, setting: 4.2. Setting a Password (Running Linux)
troubleshooting: 3.3.4.3. Problems logging in (Running Linux)

login command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
CVS: 15.6.7. User Commands (Linux in a Nutshell)
tcsh: 8.9. Built-in Commands (Linux in a Nutshell)

login shells, changing (chsh): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

login startup file: 4.15. Startup Files (Running Linux)

logincheck( ): 11.3.2. Opening and Using a Database Connection (Managing & Using MySQL)

11.5. Managing Sessions (Managing & Using MySQL)

bad login attempts (lastb): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
last: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
lastlog: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

KDE, management in: 18.3.10.3. Login Manager (Linux in a Nutshell)

loginsh variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

Logitech mice: 10.4. Configuring XFree86 (Running Linux)

logname command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LOGNAME environment variable (tcsh): 8.4.6. Environment Variables (Linux in a Nutshell)

bash: 7.7. Built-in Commands (Linux in a Nutshell)
CVS: 15.6.7. User Commands (Linux in a Nutshell)
tcsh: 8.9. Built-in Commands (Linux in a Nutshell)

logout variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)

logrotate command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

logrotate utility: 4.3.4. Log Rotation (Managing & Using MySQL)

printer error: 8.4.5.3. The rest of the printcap variables (Running Linux)
rotating: 8.3. Managing System Logs (Running Linux)
system management: 8.3. Managing System Logs (Running Linux)

logs directory: 2.1. What's Behind an Apache Web Site? (Apache: The Definitive Guide)

specifying location of: 2.5.3. ServerRoot (Apache: The Definitive Guide)

long data type: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)

storing integers as: 14.6. The pval/zval Data Type (Programming PHP)

LONGBLOB data type: 3.4.3. Binary Data Types (Managing & Using MySQL)

16.2. String Data Types (Managing & Using MySQL)

long2ip( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

longmess macro: 21.7.5. mod_perl gdb Debug Macros (Practical mod_perl)

long_query_time variable: 4.3.3. The Slow Query Log (Managing & Using MySQL)

LONGTEXT data type: 16.2. String Data Types (Managing & Using MySQL)

storage space required by: 3.4.2. Character Types (Managing & Using MySQL)

look command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lookahead and lookbehind assertions: 4.10.10. Lookahead and Lookbehind (Programming PHP)

conditional expressions: 4.10.12. Conditional Expressions (Programming PHP)

lookup, symbolic links: 11.7. Symbolic Links Lookup (Practical mod_perl)

loop constructs in PHP: 11.1.1. A Short Language Primer (Managing & Using MySQL)

loop devices, setting up (losetup): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

loopback address: 15.1.1. TCP/IP Concepts (Running Linux)

15.1.3.1. Your network configuration (Running Linux)

loopback addresses: 2.3.3. Running Apache Under Unix (Apache: The Definitive Guide)

looping over array elements with each( ): 5.7.2. The Iterator Functions (Programming PHP)

loops: 2.5. Flow-Control Statements (Programming PHP)

do/while: 2.5.3. while (Programming PHP)

foreach: 2.2.5. Arrays (Programming PHP)

5.7.1. The foreach Construct (Programming PHP)

Template Toolkit language: D.4. Template Toolkit Language (Practical mod_perl)

while: 2.5.3. while (Programming PHP)

losetup command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

Lout package (printing): 8.4.4. Checking Print Utilities (Running Linux)

LOWER( ) function: 17.2.2. General Functions (Managing & Using MySQL)

lp command: 9.6. Printing (Running Linux)

lp variable (printcap): 8.4.5.3. The rest of the printcap variables (Running Linux)

LPAD( ) function: 17.2.2. General Functions (Managing & Using MySQL)

lpadmin command: 9.6. Printing (Running Linux)

lpc command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lpc utility: 8.4.7. Print Filters (Running Linux)

8.4.11. Exercising the Printer Daemon (Running Linux)
9.6. Printing (Running Linux)
implementing: 8.4.12. Controlling Printer Services with lpc (Running Linux)

lpd command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lpd daemon: 2.2. Overview of Networking (Linux in a Nutshell)

8.4. Managing Print Services (Running Linux)
implementing: 8.4.11. Exercising the Printer Daemon (Running Linux)
troubleshooting: 8.4.14. Printer System Troubleshooting (Running Linux)

lpq command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

9.6. Printing (Running Linux)

lpr command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

9.6. Printing (Running Linux)

lprm command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

9.6. Printing (Running Linux)

LPRng line printer daemon: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

printer capability database, inspection and repair: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lpstat command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

9.6. Printing (Running Linux)

lptest command: 8.4.11. Exercising the Printer Daemon (Running Linux)

lptest file: 8.4.1. Checking Printer Hardware (Running Linux)

ls command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
4.4.2. Listing Files (Running Linux)
ftp: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

ls-F command (tcsh): 8.9. Built-in Commands (Linux in a Nutshell)

lsattr command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LS_COLORS environment variable: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

LS_COLORS environment variable (tcsh): 8.4.6. Environment Variables (Linux in a Nutshell)

lshift command (gawk): 13.8. Alphabetical Summary of Commands (Linux in a Nutshell)

lsmod command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)

lsmod command, listing loaded drivers: 7.5. Loadable Device Drivers (Running Linux)

lstat( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

< (angle bracket, left)

converting to HTML entity: 4.5.1.1. Entity-quoting all special characters (Programming PHP)

< (less than) operator: 2.4.8. Comparison Operators (Programming PHP)

in string comparisons: 4.6.1. Exact Comparisons (Programming PHP)

<= (less than or equal to) operator: 2.4.8. Comparison Operators (Programming PHP)

in string comparisons: 4.6.1. Exact Comparisons (Programming PHP)

<< (left shift) operator: 2.4.9. Bitwise Operators (Programming PHP)

<<< (heredoc identifier): 4.1.4. Here Documents (Programming PHP)

< (left angle bracket)

in Boolean mode searches: 3.9.1.3. Boolean mode (Managing & Using MySQL)

less-than comparison operator: 3.8. SQL Operators (Managing & Using MySQL)

17.1.3. Comparison Operators (Managing & Using MySQL)

<= (less-than-or-equal-to comparison operator): 3.8. SQL Operators (Managing & Using MySQL)

17.1.3. Comparison Operators (Managing & Using MySQL)

< (less than sign), input redirection: 4.9. Saving Your Output (Running Linux)

ltrim( ): 4.4.1. Removing Whitespace (Programming PHP)

A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)

LTRIM( ) function: 17.2.2. General Functions (Managing & Using MySQL)

<script> tags, enclosing PHP code in: 2.7.4. Script Style (Programming PHP)

<xsp:expr> tag: E.3.2. Handling Cookies (Practical mod_perl)

LUGs (Linux User Groups): 0.. Linux User Groups (Linux in a Nutshell)

Luhn checksum: 4.9.3.1. Matching (Programming PHP)

Lutz, Mark: 10. Python (Managing & Using MySQL)

lwp-request, testing mod_perl status: 3.10.5. Testing via lwp-request (Practical mod_perl)

LWP::UserAgent, spoofs and: 14.2.3. Small Input, Big Damage (Practical mod_perl)

Lynx browser: 16.1.1. Using Konqueror and Other Web Browsers (Running Linux)

LyX word processor: 9.3.1. Word Processors (Running Linux)

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