Here is a great little command line trick to list only the subdirectories in your…

By default the echo command will include a trailing newline at the end of a…

The column utility is helpful for taking raw data and formatting it in a way…

With the new version of VirtualBox (4.0.0) comes a new feature called Extension Packs. Before…

A handy feature about Google Chrome web browser besides its speed and simplicity is the…

There are a couple ways to enable or disable system services at boot time in…

Most programs will return an exit status of 0 if the program was successful, while…

For any number of reasons you may want to know the parent process ID of…

In order to control or monitor background child processes from a shell script you will…

In many cases you will need to determine the PID of a current Bash script…