How do you run a JAR file on Windows, Mac or Linux? Double click the JAR? Run the JAR at the command line? Several approaches will work if you have Java or the JDK installed.

Open a Linux terminal on your Chromebook You'll need to set up your device with a Linux development environment since you can't run a Linux terminal on a Chromebook by default.

The crontab file in Linux is a daemon that performs user-edited tasks at specific times and events. To edit the file, open a terminal and type "sudo crontab -e" to open your crontab file in the ...

The /etc/inittab file controls what happens whenever a Unix system is rebooted or forced to change run levels. Let's take a look at the configuration lines that tell your system what it's supposed ...

Update: You can also run Ubuntu 12.04, Puppy Linux, or other operating systems on the MK802. Ubuntu boots very quickly on the little computer, although performance is a little on the slow side.

If you're new to Linux, there's a very handy file you'll want to learn about right away. Jack Wallen introduces you to the hosts file and how to add entries to it.