Linux / Unix Command Reference, guides, tutorials.

A guide to grep. The file searching utility.

A guide to chmod. The file / directory permission utility.

A guide to 'find'. Master the art of finding and manipulating files on your Unix server.

A guide to 'awk'. Learn the basics of this powerful tool and take control of your files.

A guide to 'host'. The host command is a simple to use DNS query utility. Convert from IP Address to domain and back.

A guide to 'pwd'. The pwd command is one of the simplest unix/linux commands. It prints the present working directory.

A guide to 'tail'. The 'tail' command allows you to see the end portion of a file or log.

A guide to 'sudo'. The sudo command allows you to execute instructions as though you were the super-user.