| | L
- l command (vi)
, , 
- L command (vi)
, 
- -l option
- ls command
,  - ps command
,  - rlogin command
,  - rusers command
, 
- LAN (local area network), defined
, 
- LANG environment variable
, 
- large files, comparing
, 
- last-line mode (vi)
, 
- left
- deleting one character to left of cursor (vi)
,  - inserting text to left of cursor (vi)
, ,  - moving to (vi)
, 
- left-handed keyboard remapping (SPARC only)
, , 
- left-handed mouse button remapping
, 
- lefty.data file
, 
- length of files, displaying
, 
- line numbering (vi)
, , 
- line printer subsystem
- See printing
- line wrap, command entry and
, 
- lines
- appending text to end (vi)
,  - changing (vi)
,  - copying
- ex command
, ,  - vi commands
, , 
- deleting
- ex command
, ,  - vi command
, 
- erasing command line
,  - inserting text at beginning (vi)
,  - moving to beginning or end (vi)
,  - moving
- ex command
,  - vi commands
, 
- moving down one line (vi)
,  - moving to specific (vi)
,  - opening (vi)
,  - undoing changes (vi)
, 
- listing
- directories
,  - files
, , ,  - folders (mailx)
,  - hidden files
,  - mail
,  - mailx commands
,  - tilde commands (mailx)
, 
- loading new files, keyboard equivalent
, 
- local area network (LAN), defined
, 
- local language
, 
- logging in
- basic procedure
, ,  - remotely
, , , ,  - as someone else
, 
- logging out
, 
- .login file
- environment variables in
, ,  - described
,  - listing
,  - location of
, 
- login names
- defined
,  - defining
,  - determining for other users
, , 
- login shells
, ,  - default shell
, , ,  - identifying your login shell
, ,  - remote shell command
, ,  - user profile for
, 
- logname command
, 
- LOGNAME environment variable
, 
- logout command
, 
- long commands, typing
, 
- long files, comparing
, 
- looking up
- See searching
- "low" command (vi)
, 
- lowercase
- See case sensitivity
- lp command
- defined
,  - instruction
, ,  - options summary
, , 
- LP print service
- See printing
- LPDEST environment variable
, 
- lpstat command
, ,  - options summary
, , 
- ls command
, , , 
M
- :m command (ex)
, 
- ~m command (mailx)
, , 
- M command (vi)
, 
- -m option (lp command)
, , 
- -m time option (find command)
, 
- magic cookie authorization protocol
- See MIT-MAGIC-COOKIE-1 authorization protocol
- mail
- See mailx program
- mail aliases
- See aliases (mail)
- MAIL environment variable
, 
- Mail Tool
, 
- mailbox
, , 
- .mailrc file
- alias setup in
, ,  - /etc/aliases file compared to
,  - set askcc variable
,  - set folder variable
, 
- mailx program
, ,  - address lookup
, ,  - aliases
- See aliases (mail)
- basics
, ,  - blind carbon copies
, ,  - canceling messages
- if screen freezes during entry
,  - unsent messages
, , 
- carbon copies
, ,  - copying messages
- to a file
, ,  - to a folder
, , 
- correcting typing errors
,  - dead.letter file
, ,  - deleting messages from mbox file
- and saving elsewhere
, ,  - without saving
, , 
- folders
, ,  - listing
,  - previous folder
,  - reading mail saved in
, ,  - saving and copying mail to
, ,  - sending mail directly to
,  - switching to/from mailbox
,  - switching to/from mailbox to/from
, 
- forwarding messages
,  - headers
- described
, , ,  - displaying
, ,  - prompts for
, , , 
- help
, , ,  - inserting files into current message
, ,  - inserting saved messages into current message
, ,  - listing commands
,  - listing messages
,  - login name
,  - mailbox
, ,  - (continue): message
,  - maximum line length
,  - mbox file
, ,  - multiple recipients
- carbon copies to
,  - sending messages to
, , 
- overview
,  - printing messages
, ,  - quitting
, , , ,  - reading messages
- basic procedure
, , , ,  - in files or folders
, , 
- replying to messages
, , ,  - saving messages
- current message
,  - in mbox file
, ,  - from mbox file to folder
, ,  - from mbox file to other file
, , 
- sending messages
,  - basic procedure
, , , ,  - blind carbon copies
, ,  - canceling unsent messages
,  - carbon copies
, ,  - directly to a file or folder
,  - to /etc/aliases aliases
, ,  - group mailings
, ,  - inserting files into current message
, ,  - inserting saved messages into current message
,  - to .mailrc aliases
, ,  - multiple recipients
, ,  - undeliverable messages
, 
- starting
,  - tilde commands
- See tilde commands (mailx)
- To: prompt
, ,  - undeleting messages
,  - undeliverable messages
,  - version number
, ,  - vi usage with
, 
- man command
, 
- MANSECTS environment variable
, 
- manual pages (man pages)
- described
,  - displaying
,  - setting available sections of
, 
- mbox file, described
, , 
- messages
- See error messages
- See mail
- Meta key
, , 
- metacharacters (grep command)
, , 
- "middle" command (vi)
, 
- middle of screen, moving to (vi)
, 
- MIT-MAGIC-COOKIE-1 authorization protocol
- allowing access when using
,  - as default
, ,  - described
,  - .Xauthorithy file and
, 
- mkdir command
, 
- modes (vi)
, , 
- more command
, 
- mouse buttons, remapping
, 
- moving
- directories
,  - files
,  - lines
- ex command
,  - vi commands
, 
- moving around in files (vi)
, ,  - arrow keys and
,  - beginning of line
,  - beginning of word
,  - bottom of screen
,  - down one line
,  - end of line
,  - end of word
,  - left one character
,  - left one word
,  - middle of screen
,  - overview
,  - paging
, ,  - right one character
, ,  - right one word
,  - scrolling
, ,  - specific line
,  - top of screen
, 
- multiple commands, typing
, 
- multiple copies, printing
, , 
- multiple mail recipients
, , , 
- multiple vi operations
- multiple, simultaneous sessions
,  - multiple-file editing
, 
- mv command
, , 
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