Get started with Bash, Unix pipes, directory navigation, sudo, Nano, and other command-line essentials ...

Find the oldest file The printf option of the find command allows you to do some more specific searches than you might have been doing in the past. In the command below, for example, we are ...

More interesting are the totally new (or substantially revised) Unix commands in 10.5. Here are my picks for the five most interesting and useful ones.

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we ...

Since Unix was a multiuser system from the very beginnings, being a sysadmin meant executing a lot of commands as a superuser.

Matisse.net hosts a list of Unix commands unique to Mac OS X/Darwin. You'll find a lot of good stuff in that list that you might not have been aware of. For example, CpMac allows you to copy a ...