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Index: L
- la function : Shell Functions
- last access time : What Good Is a File's Last Access Time?
-
- deleting by : Deleting Stale Files
- last modification : (see modification time, file)
- lastcomm command : lastcomm: What Commands Are Running and How Long Do They Take?
-
- addup script using : Total a Column with addup
- leave program : leave: A Maddening Aid to Quitting on Time
- left angle bracket : (see <)
- left bracket : (see [ ] (brackets))
- length command (awk) : Alphabetical Summary of Commands
- lensort script
- less command : Quick Descriptions of What's on the Disc
- less utility : Using more to Page Through Files
-
- -s option : Comparing Two Directory Trees with dircmp
- lesskey program : The "less" Pager: More than "more"
- lf script
- lg script : Quick Descriptions of What's on the Disc
- libraries
-
- functions defined in : Functions, Libraries, and Header Files
- linking with : Functions, Libraries, and Header Files
- in /usr/lib : Functions, Libraries, and Header Files
- limit filesize command : Limiting File Sizes
- line #: ;; unexpected : Missing or Extra esac, ;;, fi, etc.
- line drawings : troff
- line editing : (see batch editing)
- line function : read: Reading from the Keyboard
- line numbers : Numbering Lines
-
- resetting : Line Numbers Reset Inside Redirected Loops
- line spacing : Double Space, Triple Space ...
- line-kill character : Fix a Line Faster with Line-Kill and Word-Erase
- line-wrapping : Checklist: Screen Size Messed Up?
- lines in files
-
- counting : Counting Lines, Words, and Characters: wc
- searching for : The Multipurpose jot Command
- linespeed switches : Setting the Terminal Type When You Log In
- links : More About Links
-
- between directories : Linking Directories
- copying : Copying Directory Trees with cp -r
- creating/removing : Creating and Removing Links
- to directories : Links to a Directory
- disk space and : Save Space with a Link
- errors caused by : Common UNIX Error Messages
- to filenames
- finding : Finding the Links to a File
- hard : (see hard links)
- invalid : Stale Symbolic Links
- to programs
- relinking : Relinking Multiple Symbolic Links
- symbolic : (see symbolic links)
- list.base program : Working with Names and Addresses
- literal percent sign, creating : Including Standard Input Within a cron Entry
- Litmaath, Maarten : Store and Show Errors with logerrs
- ll script : Quick Descriptions of What's on the Disc
- lm script : Quick Descriptions of What's on the Disc
- ln command
- lndir program : Quick Descriptions of What's on the Disc
- lndir script : Linking Directories
- load averages
- local dictionary files : The UNIX spell Command
- locate program : Quick Descriptions of What's on the Disc
- locate script : Using "Fast find"
- lockfiles
-
- Shell Lockfile
- (see also file permissions)
- creating : Shell Lockfile
- examples : Shell Lockfile
- log command (awk) : Alphabetical Summary of Commands
- LOGDIR environment variable
- logerrs script
- logging in
-
- Customizing the Shell
- fork and exec
- to another user's account : The su Command Isn't Just for the Superuser
- changing login sequence : Automatic Setups for Different Terminals
- multiple sessions : Ending or Suspending
- showing login messages once : Unclutter Logins: Show Login Messages Just Once
- showing new message lines : motd.diff: Show New Lines in Login Messages
- logging, disk space and : Save Space with Bit Bucket Log Files and Mailboxes
- logical operators : (see operators, logical)
- login file
-
- Shell
- Shell Setup Files Aren't Read When You Want Them to Be?
- Identifying Login Shells
- Automatic Setups for Different Terminals
- if statements in : Conditional Statements with if
- once-a-day setup : Once-a-Day Setup
- setting search path : Setting Path in Shell Setup Files
- setting terminal type : Setting the Terminal Type When You Log In
- login shells
- loginshell variable : Identifying Login Shells
- LOGNAME environment variable
- logout file
- long-line wrapping : Set Width, Test Line Wrapping: longlines
- longlines file
- look command
- lookfor script
- loops
-
- Anyone Can Program the Shell
- Loops That Test Exit Status
- (see also under specific loop names)
- alias definition : Avoiding C Shell Alias Loops
- basename command used in : Use with Loops
- in Bourne shells : Loops That Test Exit Status
- dirname command used in : Use with Loops
- exit status of : while Loop with Several Loop Control Commands
- find command used in : Use with Loops
- for : (see for loop)
- foreach : (see foreach loop)
- if-then-else : How to Put if-then-else in a C Shell Alias
- increment number in : The Multipurpose jot Command
- jot command in : The Multipurpose jot Command
- parameters for : Repeating a Command with a foreach Loop
- split command used in : Use with Loops
- testing exit status : Loops That Test Exit Status
- lp command : System V Printing Commands
- lp spooler, defined : Introduction to Printing
- lpc help command : Printer Control with lpc
- lpc restart command : Printer Control with lpc
- lpc status command : Berkeley Printing Commands
- lpq command : Berkeley Printing Commands
-
- shell script running : Printer Queue Watcher: A Restartable Daemon Shell Script
- lpr command : Berkeley Printing Commands
-
- errors caused by : Common UNIX Error Messages
- examples : Handling Command-Line Arguments with a for Loop
- lpr spooler, defined : Introduction to Printing
- lprm command : Berkeley Printing Commands
- lpstat command : System V Printing Commands
- lr command : Quick Descriptions of What's on the Disc
- ls command
-
- Unclutter Logins: Show Login Messages Just Once
- Reordering ls Listings
- clf, cls: "Compressed" ls Listings
- An Alias to List Recently Changed Files
- Quick Descriptions of What's on the Disc
- -A option : Showing Hidden Files with ls -A and -a
- -a option : Showing Hidden Files with ls -A and -a
- aliases for
- -b option : Showing Non-Printable Characters in Filenames
- -c option : Finding Oldest or Newest Files with ls -t and ls -u
- -C option
- -ctime option : File's Inode Change (not "Creation"!) Time
- -d option : The ls -d Option
- -F option
- file searches with : Get File List by Editing Output of ls -l, grep, etc.
- filenames and : Wildcards
- -i option
- -l option
- -L option : Stale Symbolic Links
- -ld option : Watching Directories
- links and : Differences Between Hard and Symbolic Links
- -m option : ls Shortcuts: ll, lf, lg, etc.
- -q option : Can't Access a File? Look for Spaces in the Name
- -r option : Reordering ls Listings
- -R option : List All Subdirectories with ls -R
- -s option : Searching for Files by Size
- -t option : Finding Oldest or Newest Files with ls -t and ls -u
- terminfo database and : Finding What Terminal Names You Can Use
- -u option
- -x option : Reordering ls Listings
- ls_today script
- lsdel program : Quick Descriptions of What's on the Disc
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