today while browsing i found this site. quite useful :)
coolcommands.com is a search engine for UNIX system administrators. Our database provides access to useful commands for all flavours of UNIX including:
Sun Solaris IBM AIX HP/UX
Linux SCO UNIX OpenBSD
SGI Irix Compaq Tru64 FreeBSD
coolcommands.com is NOT
coolcommands.com is not an online database of man pages but rather a query tool to find commands or one-line scripts which provide a function in a UNIX environment.
coolcommands.com is cool because
We not only provide a searchable database of commands and one-line scripts, we also allow you to search by category making it easier to find that command you are looking for. Each coolcommand provides a summary, description and example to make your life as a sysadmin easier.
give it a try!