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.
How to manually upgrade all QT5 packages on FreeBSD with xargs.
How to create an empty file from the CLI in *nix as well as Windows
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.
Find and replace using the *nix tool sed.
How to copy and paste to and from the clipboard while working in the CLI.
How to display a single column list of all the files in a directory.