Getting help
Linux has thousands of commands, and remembering every flag is impossible. The main skill is simple: quickly ask the system itself. In this lesson you take a short reference for a command, find out what kind of command it is, and where it lives.
Nothing to set up: every command in this lesson works right away.
What to understand
--help is a flag that prints a short reference straight to the terminal. Almost every command has it.
man is the full manual for a command, more detailed than --help. More on it in the theory chapter.
A builtin and a program file are two different things. A program is a file on disk (ls, bash). A builtin lives inside the shell itself (c
Locked
The rest of this lesson is part of a paid course
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