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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
- left angle bracket : (see <)
- 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
- 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
- linking with : 52.8.2.7. Functions, Libraries, and Header Files
- functions defined in
: 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
- line #: ;; unexpected : 46.1.4. Missing or Extra esac, ;;, fi, etc.
- 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
- line-kill character : 9.2. Fix a Line Faster with Line-Kill and Word-Erase
- counting
: 29.6. Counting Lines, Words, and Characters: wc
- searching for : 45.11. The Multipurpose jot Command
- counting
: 29.6. Counting Lines, Words, and Characters: wc
- 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
- copying : 18.15. Copying Directory Trees with cp -r
- finding
: 17.22. Finding the Links to a File
- hard : (see hard links)
- invalid : 18.6. Stale Symbolic Links
- to programs
- hard : (see hard links)
- relinking
: 18.14. Relinking Multiple Symbolic Links
- symbolic : (see symbolic links)
- between directories
: 18.7. Linking Directories
- 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
- literal percent sign, creating : 40.14. Including Standard Input Within a cron Entry
- lndir program
: 52.4. Quick Descriptions of What's on the Disc
- lndir script : 18.7. Linking Directories
- load averages
- lndir script : 18.7. Linking Directories
- 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
- locate program : 52.4. Quick Descriptions of What's on the Disc
- 45.36. Shell Lockfile
- (see also file permissions)
- creating : 45.36. Shell Lockfile
- examples : 45.36. Shell Lockfile
- (see also file permissions)
- 45.36. Shell Lockfile
- log command (awk)
: 33.11.7. Alphabetical Summary of Commands
- LOGDIR environment variable
- logerrs script
- 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
- 38.2. fork and exec
- 2.1. Customizing the Shell
- logging, disk space and
: 24.2. Save Space with Bit Bucket Log Files and Mailboxes
- logical operators : (see operators, logical)
- .login file
- logical operators : (see operators, logical)
- 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
- 2.7. C Shell Setup Files Aren't Read When You Want Them to Be?
- 2.2.2. C Shell
- login shells
- loginshell variable
: 2.8. Identifying Login Shells
- LOGNAME environment variable
- .logout file
- long-line wrapping
: 42.6.3. Set Width, Test Line Wrapping: longlines
- longlines file
- look command
- lookfor script
- 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
- 44.10. Loops That Test Exit Status
- 1.5. Anyone Can Program the Shell
- 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
- lp spooler, defined : 43.1. Introduction to Printing
- 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
- errors caused by
: 50.12. Common UNIX Error Messages
- 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
- lprm command : 43.2.2. Berkeley Printing Commands
- 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
- 16.3. Reordering ls Listings
- -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
- -c option : 16.2. Finding Oldest or Newest Files with ls -t and ls -u
- -ctime option
: 21.6. A File's Inode Change (not "Creation"!) Time
- -d option : 16.8. The ls -d Option
- -F option
- -d option : 16.8. The ls -d Option
- file searches with
: 9.24. Get File List by Editing Output of ls -l, grep, etc.
- filenames and : 1.16. Wildcards
- -i option
- filenames and : 1.16. Wildcards
- -l option
- -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
- -ld option : 21.8.1.3. Watching Directories
- -x option : 16.3. Reordering ls Listings
- 2.15. Unclutter Logins: Show Login Messages Just Once
- ls_today script
- lsdel program : 52.4. Quick Descriptions of What's on the Disc
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