Each manual page has a short description available within it. ‘whatis’
searches the manual page names and displays the manual page descriptions of any name matched.
taufanlubis@zyrex:~$ whatis ls
ls (1) – list directory contents
taufanlubis@zyrex:~$ whatis man
man (1) – an interface to the on-line reference manuals
man (7) – macros to format man pages
taufanlubis@zyrex:~$ whatis whatis
whatis (1) – display manual page descriptions
taufanlubis@zyrex:~$




