Linux has come a long way from being a command line OS ,present days Linux Distros have very good GUI(Graphic User Inter phase) ,well almost majority of them do but still knowing command line is very useful in order to unleashes the true power of Linux.Some basic commands to start with are listed below :- man command :- IT is the Basic Linux command to find the manual pages attached to any program,utility or function.Such as man man would show the manual page for the man command. info command :-