Linux Admin for Beginners: Essential Commands

pwd

Stands for 'print working directory'. It displays the current directory you are in within the Linux filesystem.

cd (dir)

A command used to change the current directory in the Linux filesystem.

ls

A command that lists the contents of a directory in the Linux filesystem, displaying files and subdirectories.

ls -l

This option of the 'ls' command displays the contents of a directory in a detailed format, including file permissions, number of links, owner, group, file size, and timestamp.

cat

A command used to concatenate and display the contents of files in the Linux filesystem.

clear

A command used to clear the terminal screen in Linux, removing all previous output and providing a clean workspace.

man

A command in Linux that displays the manual pages for other commands, providing detailed information on usage, options, and examples.

exit

A command used to terminate a shell session or close a terminal window in Linux.