How to redirect output from a command you’ve run to a file that you don’t have permission to write to i.e. to a destination that you need to use sudo on.
Fetch Process IDs or Names of the Processes Listening On Ports.
Using the file command to identify a file’s type on a *nix system.
How to fetch information from the manufacturer and model to temperatures.
Using X forwarding sending an application over to an Android device is relatively painless.
How to get your external IP address on the CLI.
How to delete all the files in the current directory except for files of a certain extension.
How to copy and paste to and from the clipboard while working in the CLI.