These are just a few of the most common GNU / Linux commands that you may find yourself looking for, along with some answers to common questions about running Linux. On most systems more information about a command can be found by typing [ man command ] ; man being the word man and command being the particular command you are checking.You will need to be root to use some of these commands ; also be sure to check your path . If there is no path to the command then you will likely get aerror. Check the command to be sure you have typed it correctly. Becareful as root , you can make your system unusable. This is very important to understand. If you are using a dual boot system you may not be able to access either system if you make a mistake as root and your system is not bootable. Before you type any command as root be absolutely certain of what you are doing. Any comments are encouraged and welcome at