|
Purpose
|
| Bourne or Korn Shell
| C Shell
|
Null command
|
| :
| :
|
Create a command name alias
|
| alias (K)
| alias
|
Run current command in background
|
| bg (K)
| bg
|
Exit enclosing for or while loop
|
| break
| break
|
Break out of a switch
|
| N/A
| breaksw
|
Change directory
|
| cd
| cd
|
Continue next iteration of for or while loop
|
| continue
| continue
|
Default case in switch
|
| N/A
| default
|
Print directory stack
|
| N/A
| dirs
|
Write arguments on stdout
|
| echo, print (K)
| echo
|
Evaluate and execute arguments
|
| eval
| eval
|
Execute the arguments
|
| exec
| exec
|
Return or set shell variables
|
| N/A
| @
|
Exit shell program
|
| exit
| exit
|
Create an environment variable
|
| export
| setenv
|
Bring a command into foreground
|
| fg (K)
| fg
|
Execute foreach loop
|
| for
| foreach
|
Perform filename expansion
|
| N/A
| glob
|
Go to label within shell program
|
| N/A
| goto
|
Display history list
|
| fc (K)
| history
|
If-then-else decision
|
| if
| if
|
List active jobs
|
| jobs (K)
| jobs
|
Send a signal
|
| kill
| kill
|
Set limits for a job's resource use
|
| ulimit
| limit
|
Terminate login shell and invoke login
|
| N/A
| login
|
Terminate a login shell
|
| N/A
| logout
|
Change to a new user group
|
| newgrp (K)
| N/A
|
Change priority of a command
|
| N/A
| nice
|
Ignore hangup
|
| N/A
| nohup
|
Notify user when job status changes
|
| N/A
| notify
|
Control shell processing on receipt of a signal
|
| trap
| onintr
|
Pop the directory stack
|
| N/A
| popd
|
Push a directory onto the stack
|
| N/A
| pushd
|
Read a line from stdin
|
| read
| $<
|
Change a variable to read-only
|
| readonly
| N/A
|
Repeat a command n times
|
| N/A
| repeat
|
Set shell environment variables
|
| =
| setenv
|
Set a local C shell variable
|
| N/A
| set
|
Shift positional parameters $* or $argv
|
| shift
| shift
|
Read and execute a file
|
| . (dot)
| source
|
Stop a background process
|
| N/A
| stop
|
Stop the shell
|
| suspend (K)
| suspend
|
CASE statement
|
| case ... esac
| switch ... endsw
|
Evaluate conditional expressions
|
| test
| N/A
|
Display execution times
|
| times
| time
|
Set default security for creation of files and directories
|
| umask
| umask
|
Discard aliases
|
| unalias (K)
| unalias
|
Remove limitations on resources
|
| ulimit
| unlimit
|
Unset a variable
|
| unset
| unset
|
Unset an environment variable
|
| N/A
| unsetenv
|
UNTIL loop
|
| until
| N/A
|
Wait for background process to complete
|
| wait
| N/A
|
WHILE loop
|
| while
| while
|
|