 
Symbols
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Index: L
- la function
: 10.9. Shell Functions 
- last access time
: 21.5. What Good Is a File's Last Access Time? 
- 
  - deleting by
: 23.20. Deleting Stale Files 
 
- last modification
: (see modification time, file)
- lastcomm command
: 39.6. lastcomm: What Commands Are Running and How Long Do They Take?
- 
  - addup script using
: 49.7. Total a Column with addup 
 
- leave program
: 48.5. leave: A Maddening Aid to Quitting on Time 
- left angle bracket
: (see <)
- left bracket
: (see [ ] (brackets))
- length command (awk)
: 33.11.7. Alphabetical Summary of Commands 
- lensort script
- 
  - 36.8. lensort: Sort Lines by Length 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- less command
: 52.4. Quick Descriptions of What's on the Disc 
- less utility
: 25.3. Using more to Page Through Files 
- 
  - -s option
: 16.22. Comparing Two Directory Trees with dircmp 
 
- lesskey program
: 25.4. The "less" Pager: More than "more"
- lf script
- 
  - 16.7. ls Shortcuts: ll, lf, lg, etc. 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- lg script
: 52.4. Quick Descriptions of What's on the Disc 
- libraries
- 
  - functions defined in
: 52.8.2.7. Functions, Libraries, and Header Files 
  - linking with
: 52.8.2.7. Functions, Libraries, and Header Files 
  - in /usr/lib
: 52.8.2.7. Functions, Libraries, and Header Files 
 
- limit filesize command
: 24.5. Limiting File Sizes 
- line #: ;; unexpected
: 46.1.4. Missing or Extra esac, ;;, fi, etc. 
- line drawings
: 43.12.1. troff 
- line editing
: (see batch editing)
- line function
: 44.13. read: Reading from the Keyboard 
- line numbers
: 25.21. Numbering Lines 
- 
  - resetting
: 46.1.5. Line Numbers Reset Inside Redirected Loops 
 
- line spacing
: 25.12. Double Space, Triple Space ... 
- line-kill character
: 9.2. Fix a Line Faster with Line-Kill and Word-Erase 
- line-wrapping
: 42.5. Checklist: Screen Size Messed Up? 
- lines in files
- 
  - counting
: 29.6. Counting Lines, Words, and Characters: wc 
  - searching for
: 45.11. The Multipurpose jot Command 
 
- linespeed switches
: 5.3. Setting the Terminal Type When You Log In 
- links
: 18.4. More About Links 
- 
  - between directories
: 18.7. Linking Directories 
  - copying
: 18.15. Copying Directory Trees with cp -r 
  - creating/removing
: 18.5. Creating and Removing Links 
  - to directories
: 18.4.2. Links to a Directory 
  - disk space and
: 24.4. Save Space with a Link 
  - errors caused by
: 50.12. Common UNIX Error Messages 
  - to filenames
  
- 
    - 18.4.1. Differences Between Hard and Symbolic Links 
    - 44.22. Finding a Program Name; Multiple Program Names 
    - 45.13. Save Disk Space and Programming: Multiple Names for a Program
  
 
- finding
: 17.22. Finding the Links to a File 
  - hard
: (see hard links)
  - invalid
: 18.6. Stale Symbolic Links 
  - to programs
  
- 
    - 44.22. Finding a Program Name; Multiple Program Names 
    - 45.13. Save Disk Space and Programming: Multiple Names for a Program
  
 
- relinking
: 18.14. Relinking Multiple Symbolic Links 
  - symbolic
: (see symbolic links)
 
- list.base program
: 48.10. Working with Names and Addresses 
- literal percent sign, creating
: 40.14. Including Standard Input Within a cron Entry 
- Litmaath, Maarten
: 13.16. Store and Show Errors with logerrs 
- ll script
: 52.4. Quick Descriptions of What's on the Disc 
- lm script
: 52.4. Quick Descriptions of What's on the Disc 
- ln command
- 
  - 18.5. Creating and Removing Links 
  - 52.4. Quick Descriptions of What's on the Disc 
  - -s option
  
- 
    - 18.5. Creating and Removing Links 
    - 18.7. Linking Directories 
  
 
 
- lndir program
: 52.4. Quick Descriptions of What's on the Disc 
- lndir script
: 18.7. Linking Directories 
- load averages
- 
  - 39.7. Checking System Load: uptime 
  - 39.12.1. The CPU 
 
- local dictionary files
: 29.1. The UNIX spell Command 
- locate program
: 52.4. Quick Descriptions of What's on the Disc 
- locate script
: 17.18. Using "Fast find"
- lockfiles
- 
  - 45.36. Shell Lockfile 
  - (see also file permissions)
  - creating
: 45.36. Shell Lockfile 
  - examples
: 45.36. Shell Lockfile 
 
- log command (awk)
: 33.11.7. Alphabetical Summary of Commands 
- LOGDIR environment variable
- 
  - 6.3. Predefined Environment Variables 
  - 14.11. Finding (Anyone's) Home Directory, Quickly 
 
- logerrs script
- 
  - 13.16. Store and Show Errors with logerrs 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- logging in
- 
  - 2.1. Customizing the Shell 
  - 38.2. fork and exec 
  - to another user's account
: 22.22. The su Command Isn't Just for the Superuser 
  - changing login sequence
: 2.12. Automatic Setups for Different Terminals 
  - multiple sessions
: 22.22.1. Ending or Suspending 
  - showing login messages once
: 2.15. Unclutter Logins: Show Login Messages Just Once 
  - showing new message lines
: 2.14. motd.diff: Show New Lines in Login Messages
 
- logging, disk space and
: 24.2. Save Space with Bit Bucket Log Files and Mailboxes
- logical operators
: (see operators, logical)
- .login file
- 
  - 2.2.2. C Shell 
  - 2.7. C Shell Setup Files Aren't Read When You Want Them to Be? 
  - 2.8. Identifying Login Shells 
  - 2.12. Automatic Setups for Different Terminals 
  - if statements in
: 47.3. Conditional Statements with if 
  - once-a-day setup
: 2.5.3. Once-a-Day Setup 
  - setting search path
: 8.7.1. Setting Path in Shell Setup Files 
  - setting terminal type
: 5.3. Setting the Terminal Type When You Log In 
 
- login shells
- 
  - 2.2. Shell Setup Files-Which, Where, and Why 
  - 2.2.2. C Shell 
  - 2.8. Identifying Login Shells 
  - 51.9. Making a "Login" Shell
  - identifying
: 2.8. Identifying Login Shells 
  - unapproved
: 2.16. Approved Shells: Using Unapproved Login Shell 
 
- loginshell variable
: 2.8. Identifying Login Shells 
- LOGNAME environment variable
- 
  - 6.3. Predefined Environment Variables 
  - 6.9. Special C Shell Variables 
 
- .logout file
- 
  - 2.2.2. C Shell 
  - 3.1. Running Commands When You Log Out 
 
- long-line wrapping
: 42.6.3. Set Width, Test Line Wrapping: longlines 
- longlines file
- 
  - 42.6.3. Set Width, Test Line Wrapping: longlines 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- look command
- 
  - 27.18. Fast Searches and Spelling Checks with  "look"
  - 29.3. How Do I Spell That Word? 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- lookfor script
- 
  - 17.21. lookfor: Which File Has that Word? 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- loops
- 
  - 1.5. Anyone Can Program the Shell 
  - 44.10. Loops That Test Exit Status 
  - (see also under specific loop names)
  - alias definition
: 10.6. Avoiding C Shell Alias Loops 
  - basename command used in
: 45.18.2. Use with Loops 
  - in Bourne shells
: 44.10. Loops That Test Exit Status 
  - dirname command used in
: 45.18.2. Use with Loops 
  - exit status of
: 45.19. A while Loop with Several Loop Control Commands 
  - find command used in
: 45.18.2. Use with Loops 
  - for
: (see for loop)
  - foreach
: (see foreach loop)
  - if-then-else
: 10.7. How to Put if-then-else in a C Shell Alias 
  - increment number in
: 45.11. The Multipurpose jot Command 
  - jot command in
: 45.11. The Multipurpose jot Command 
  - parameters for
: 9.11. Repeating a Command with a foreach Loop 
  - split command used in
: 45.18.2. Use with Loops 
  - testing exit status
: 44.10. Loops That Test Exit Status 
 
- lp command
: 43.2.1. System V Printing Commands 
- lp spooler, defined
: 43.1. Introduction to Printing 
- lpc help  command
: 43.3. Printer Control with lpc 
- lpc restart command
: 43.3. Printer Control with lpc 
- lpc status command
: 43.2.2. Berkeley Printing Commands 
- lpq command
: 43.2.2. Berkeley Printing Commands 
- 
  - shell script running
: 38.11. Printer Queue Watcher: A Restartable Daemon Shell Script
 
- lpr command
: 43.2.2. Berkeley Printing Commands 
- 
  - errors caused by
: 50.12. Common UNIX Error Messages 
  - examples
: 44.16. Handling Command-Line Arguments with a for Loop 
 
- lpr spooler, defined
: 43.1. Introduction to Printing 
- lprm command
: 43.2.2. Berkeley Printing Commands 
- lpstat command
: 43.2.1. System V Printing Commands 
- lr command
: 52.4. Quick Descriptions of What's on the Disc 
- ls command
- 
  - 2.15. Unclutter Logins: Show Login Messages Just Once 
  - 16.3. Reordering ls Listings 
  - 16.6. clf, cls: "Compressed" ls Listings
  - 16.9. An Alias to List Recently Changed Files 
  - 52.4. Quick Descriptions of What's on the Disc 
  - -A option
: 16.11. Showing Hidden Files with ls -A and -a 
  - -a option
: 16.11. Showing Hidden Files with ls -A and -a 
  - aliases for
  
- 
    - 16.7. ls Shortcuts: ll, lf, lg, etc. 
    - 16.12. Useful ls Aliases 
  
 
- -b option
: 16.14. Showing Non-Printable Characters in Filenames 
  - -c option
: 16.2. Finding Oldest or Newest Files with ls -t and ls -u 
  - -C option
  
- 
    - 16.3. Reordering ls Listings 
    - 16.12. Useful ls Aliases 
  
 
- -ctime option
: 21.6. A File's Inode Change (not  "Creation"!) Time
  - -d option
: 16.8. The ls -d Option 
  - -F option
  
- 
    - 16.6. clf, cls: "Compressed" ls Listings
    - 16.12. Useful ls Aliases 
    - 18.6. Stale Symbolic Links 
  
 
- file searches with
: 9.24. Get File List by Editing Output of ls -l, grep, etc. 
  - filenames and
: 1.16. Wildcards 
  - -i option
  
- 
    - 1.22. How UNIX Keeps Track of Files: Inodes 
    - 18.4.1. Differences Between Hard and Symbolic Links 
  
 
- -l option
  
- 
    - 1.22. How UNIX Keeps Track of Files: Inodes 
    - 16.25. Listing Files by Age and Size 
    - 16.29. sls: Super ls with Format You Can Choose 
    - 22.15. Juggling Permissions 
  
 
- -L option
: 18.6. Stale Symbolic Links 
  - -ld option
: 21.8.1.3. Watching Directories 
  - links and
: 18.4.1. Differences Between Hard and Symbolic Links 
  - -m option
: 16.7. ls Shortcuts: ll, lf, lg, etc. 
  - -q option
: 16.13. Can't Access a File? Look for Spaces in the Name 
  - -r option
: 16.3. Reordering ls Listings 
  - -R option
: 16.4. List All Subdirectories with ls -R 
  - -s option
: 17.14. Searching for Files by Size 
  - -t option
: 16.2. Finding Oldest or Newest Files with ls -t and ls -u 
  - terminfo database and
: 5.10. Finding What Terminal Names You Can Use 
  - -u option
  
- 
    - 16.2. Finding Oldest or Newest Files with ls -t and ls -u 
    - 16.3. Reordering ls Listings 
  
 
- -x option
: 16.3. Reordering ls Listings 
 
- ls_today script
- 
  - 16.18. Listing Files You've Created/Edited Today 
  - 52.4. Quick Descriptions of What's on the Disc 
 
- lsdel program
: 52.4. Quick Descriptions of What's on the Disc 
Symbols
| A
| B
| C
| D
| E
| F
| G
| H
| I
| J
| K
| L
| M
| N
| O
| P
| Q
| R
| S
| T
| U
| V
| W
| X
| Y
| Z
Copyright © 1998
 O'Reilly & Associates, Inc.
All Rights Reserved.