Introduction to Linux

Basic Commands

These are the most basic commands that you should know as a Linux System Administrator.

Commands that utilize the Bash shell follow this common syntax.

command [-options] [arguments]


Name	Description	Syntax	Example
cat	Used to concatenate files, and print to stdout.	cat [-options] <path/file>	cat readme.txt
cp	Used to copy files and directories.	cp [-options] <source> <destination>	cp -R olddirectory newdirectory
echo	Used to print text to stdout.	echo [-options] <string>	echo -e This my first line \n This is my second line
ls	Used to list directory contents.	ls [-options] <path/file>	ls -alh /var/log
mkdir
mv
pwd
touch