PUBLIC MARKS from tadeufilippini with tags help.ubuntu.com & "ubuntu terminal"

Why? "Under Linux there are GUIs (graphical user interfaces), where you can point and click and drag, and hopefully get work done without first reading lots of documentation. The traditional Unix environment is a CLI (command line interface), where you type commands to tell the computer what to do. That is faster and more powerful, but requires finding out what the commands are." -- from man intro(1) For some tasks, especially things like system configuration, it makes sense to use the terminal, and you'll probably have seen instructions on help pages or forums similar to: