I feel man is one of the frequently used command along ls and cd commands in Linux. Have some more which you think we use frequently then post it in comments. Many people who are new to Linux do not know its potential. They just read a man page for a specific command and go away or just use ???man command???. This post is mainly meant for newbies to Linux/Unix. Do you know there are other commands which are similar to man command? Below are the list of commands which I call cousins to man pages.
Other helpful manuals available in Linux
info
help
???help
which
where
To know more about these commands you should visit my other post on them.
As I said man(abbreviation to manual) command is useful to read more details about any command you want.
Example 1: Get information about passwd command such as what it do, options available, examples to use it, related commands etc.
Read Full Post: http://www.linuxnix.com/understand-man-pages-in-linux/