12
¥Some Shell Commands (handled
by the shell)
cd
:
change working directory
:
change working directoryecho:
echo command line to the terminal window
:
echo command line to the terminal windowpwd:
echo the present working directory
:
echo the present working directoryset:
set variables or assign string values to variables
:
set variables or assign string values to variables@:
set a variable to the results of an integral computation
:
set a variable to the results of an integral computationalias:
display or create an alias
:
display or create an alias (e.g. alias hi 'echo hello
there' )bg:
put a process in the background (usually after ctrl-z)
:
put a process in the background (usually after ctrl-z)fg:
put a process in the foreground
:
put a process in the foregroundexit:
terminate the shell
:
terminate the shellsetenv:
set environment variables
:
set environment variablessource:
execute a script within the current shell environment
:
execute a script within the current shell environment¥special
keystrokes (to use while a process is running)
ctrl-c:
send an interrupt signal to the process
:
send an interrupt signal to the processctrl-z:
send a suspend signal to the process
:
send a suspend signal to the process