Command Unix Commands

View common Unix commands.

Unix commands can be issued at the command prompt. Common commands include:

Common Unix Commands
Key Description
Delete Backs up to erase one character.
Backspace Mapped as a backspace key, displaying ^H.
Ctrl-u Erases the command line.
Ctrl-w Erases the last word on the command line.
Ctrl-s Stops flow of output on the display.
Ctrl-q Resumes the flow of output stopped by Ctrl-s.
Ctrl-c Interrupts a command or process and returns to the command line.
Ctrl-z Suspends a command or process in progress.
Ctrl-d Generates an end-of-file character.
logout Ends your Unix session.
ps Displays information about processes.
env Displays or changes environment settings.
set Sets shell variables.
alias Defines command abbreviations.
history Displays recent commands.
cat Concatenates and displays files.
more Allows you to browse through files one screen at a time.
less Another, more versatile method of browsing through files.
mv Moves or renames files.
ls Lists directory contents.
mkdir Creates a directory.
rmdir Removes a directory.
pwd Displays the current directory.
du Summarizes disk usage.
file Determines the type of a file.
quota -v Displays current disk usage.
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