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Lesson support

What to notice while you play.

Objective

Practice reading command help before acting.

Hint

Start with man ls, then compare it with the built-in help list.

Why it matters

Real terminals reward operators who read before changing state.

Common mistakes

Guessing flags from memory.
Skipping help when a command behaves differently on another system.

Reference

Commands in this lesson.

help

Show the command list.

man <command>

Read a short educational manual page.