Learn Basic Commands in Linux

Hello Friends,
If you want to be a hacker than you must know about Linux OS.
It is very important to learn Linux like Ubuntu, Kali, Backtrack, etc. Because most of the hacking tools are generally runs in Linux. So If you want to learn about Basic Linux commands than go to the link given below: -

http://www.kaliattacks.com/kali/kali_basic_commands.php