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.

If you want a very efficient way to keep track of your task lists from the command line, Taskwarrior is the tool to use. I use several task management tools, with most in the form of either a desktop ...

Learn new terminal techniques and test your understanding with these fun, interactive tutorials.