Configuring and administrating Linux by using command line utilities is the most popular and preferred way. If you have ever used Linux for your personal or professional work, you would have definitely used the command line.For example, to check the contents of a directory, most users prefer using the 'ls' command rather using the GUI. Most of these command line utilities are written in 'C' language and accept flags and arguments for accepting inputs from user.
For example :
The output of 'ls' command (for a... [More]