Linux provides a number of handy commands for managing file permissions, understanding who has access to the files and checking on file content. There’s a lot more to working with files on Linux than ...

There's a lot to learn about image files on the command line, from verifying file format to finding out where and when photos were taken and maybe even getting an unusual view of what they look like.

GNOME extensions personalize your desktop experience. My must-have extensions include Dash to Dock, ArcMenu, and LAN IP Address. Extensions don't need to be sophisticated to be useful. Doing one task ...