Basic Linux Commands : Quick Reference Guide

Table of Contents

Basic Linux Commands: Quick Reference Guide

By executing commands, you can perform all basic and advanced functions. A Linux terminal is used for executing these commands. Terminals are like command prompts on a home computer that lets users interact with the system using commands. The case of the command is important in Linux.

This article will show you the basics of Linux commands: 

Command Description
ls List directory contents.
cat Display file’s contents to the standard output device (usually your monitor)
cd Change to directory.
df Display used and available disk space.
du Show how much space each file takes up.
file Determine what type of data is within a file.
kill Stop a process. If the process refuses to stop, use kill -9 pid.
lpr Send a print job.
man Display the help information for the specified command.
mv Rename or move file(s) or directories.
ps Display a snapshot of the currently running processes.
pwd Display the pathname for the current directory.
rm Remove (delete) file(s) and/or directories.
rmdir Delete empty directories.
ssh Remotely log in to another Linux machine, over the network. Leave an ssh session by typing exit.
su Switch to another user account.
tail Display the last n lines of a file (the default is 10).
tar Store and extract files from a tarfile (.tar) or tarball (.tar.gz or .tgz).
top Displays the resources being used on your system. Press q to exit.
who Display who is logged on.
clear Clear a command line screen/window for a fresh start.
date Display or set the system date and time.
cp Copy files and directories.
grep Search files or output for a particular pattern.
ln Create a shortcut.



That’s it!




Our goal in writing this article is to give you an overview of basic linux commands and we hope this article has given you a better understanding.





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