| | N
- :n command (ex
, 
- N command (vi)
, 
- n command (vi)
, 
- -n option (lp command)
, , 
- -name option (find command)
, 
- naming
- directories, renaming
,  - files
- base name
,  - renaming
,  - uniqueness requirements
, 
- passwords
, , , 
- navigating
- See moving around in files
- networks
, ,  - aborting remote connection
,  - copying files remotely
, ,  - defined
, ,  - displaying user information
, ,  - executing commands remotely
, ,  - logging in remotely
, ,  - basic procedure
, ,  - without home directory
,  - as someone else
,  - to unknown machine
, 
- overview
, ,  - protocols, defined
,  - running networked applications
, , , , ,  - security fundamentals
, ,  - access control mechanisms
, ,  - caution
,  - manipulating server access
, ,  - MIT-MAGIC-COOKIE-1 authorization protocol
, , , , ,  - overview
, ,  - running clients remotely or locally as another user
, ,  - SUN-DES-1 authorization protocol
, , , , 
- suspending remote connection
,  - verifying your location
, 
- New operation, keyboard equivalent
, 
- -newer option (find command)
, 
- next occurrence, vi search
, 
- next screen, moving to
, , 
- "No write since last change" message
, 
- -noauth option (Xsun command)
, , , 
- nohup command
, 
- not operation (grep command)
, 
- not operator (!)
, 
- nroff program
, 
- numbering lines (vi)
, , 
O
- o command (vi)
, 
- O command (vi)
, 
- -o flag (find command)
, 
- -o nobanner option (lp command)
, 
- -o option (lpstat command)
, 
- on-line help
- See help
- Open File operation, keyboard equivalent
, 
- Open Window operation, keyboard equivalent
, 
- opening
- files
- ex
,  - keyboard equivalent
,  - vi
, 
- lines (vi)
, 
- options, command
, 
- Others user category
, 
P
- ~p command (mailx)
, , 
- P command (vi)
, , 
- p command (vi)
, , 
- -p option (lpstat command)
, , 
- paging (vi)
, , 
- parent directory (..)
, , , 
- passwd command
, , 
- /passwd file
, , , , 
- password error message
, 
- passwords
, ,  - aging
,  - changing
, ,  - choosing
, , ,  - defined
,  - error message
,  - overview
, ,  - "Sorry" error message
,  - remote login
,  - typing
,  - when to change
, 
- Paste operation, keyboard equivalent
, 
- pasting
- See copy
- PATH environment variable
, , , 
- path names
, ,  - defined
, ,  - environment variables for
, , , , 
- percent sign (%)
- command prompt
,  - reactivating remote connection
, 
- period (.)
- See dot (.)
- permissions
,  - absolute
, ,  - changing
, , , ,  - defaults
- described
,  - setting
, , 
- described
,  - displaying
, ,  - wildcard character (*) and
, , 
- PIDs (process identification numbers)
, 
- piping
- command output
,  - command output through grep
, ,  - du output through sort
,  - mail to lp command
, 
- pkill command
, 
- plus sign (+), mailx folder designator
, 
- pound sign (#)
- /etc/aliases file comment designator
,  - in passwords
,  - root prompt
, , 
- previous folder (mailx)
, 
- previous occurrence, vi search
, 
- previous screen, moving to (vi)
, , 
- Print operation, keyboard equivalent
, 
- -print option (find command)
, 
- printing
, ,  - banner page suppression
,  - canceling
, ,  - command output
,  - to default printer
,  - default printer environment variable
,  - file search results
,  - files
, ,  - keyboard equivalent for
,  - mail
, ,  - multiple copies
,  - options summary for
, ,  - requesting completion notification
, ,  - to specific printer
, ,  - status determination
, ,  - all status information
, ,  - available printers
,  - options summary for
, ,  - overview
,  - print requests
, ,  - printer status
, , 
- submitting print requests
, ,  - titling printout
,  - vi files
, ,  - working directory
, , 
- process identification numbers (PIDs)
, 
- processes
, , , 
- .profile file
- described
,  - environment variables in
, ,  - commonly used
, ,  - HISTORY
,  - PATH
, ,  - PS1 (command prompt)
,  - set commands
,  - umask (file permissions)
, , 
- listing
,  - location of
, 
- profile file, described
, 
- prompts
- See command prompt
- property window, displaying, keyboard equivalent
, 
- Props operation, keyboard equivalent
, 
- protocols
, , 
- PS1 environment variable
, , , 
- ps command
, 
- put command (vi)
, , 
- pwd command
, , 
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