Linux: The Quick and Easy Beginners Guide to Learning the Linux Command Line (Linux in 3 Days Book 1) by Jason Cannon

Author:Jason Cannon [Cannon, Jason]
Language: eng
Format: mobi
Published: 2015-03-31T16:00:00+00:00

Basic Linux Commands

Here is a short list of basic, but essential commands. In Linux, commands are case-sensitive and more often than not they are entirely in lowercase. Items that are surrounded by brackets ( [] ) are optional. You will more than likely use at least some of these commands every time you log into a Linux system. Become familiar with these commands because they can get you pretty far in a short amount of time.

ls - Lists directory contents. You will use ls to display information about files and directories.

cd [dir] - Changes the current directory to dir . If you execute cd without specifying a directory, cd changes the current directory to your home directory. This is how you navigate around the system.

pwd - Displays the present working directory name. If you don't know what directory you are in, pwd will tell you.

cat [file] - Concatenates and displays files. This is the command you run to view the contents of a file.

echo [argument] - Displays arguments to the screen.

man command - Displays the online manual for command . Typeq to quit viewing the manual page. The documentation provided by the man command is commonly called "man pages."

exit, logout , or Ctrl-d - Exits the shell or your current session.

clear - Clears the screen.

Here is a screen capture of Bob's session using the above commands.

$ ls

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