You will most often use Bash functions to make your shell life easier; instead of typing out complex command pipelines, create a function and inject arguments. You'd place these in your bashrc file, ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

Learn how to record terminal sessions on Linux using Asciinema and convert them into clean animated GIFs for READMEs and ...