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Lesson support

What to notice while you play.

Objective

Build repeatable confidence with reading help and metadata before a change.

Hint

Start with help, inspect the result, then continue in order.

Why it matters

Reading help and metadata before a change helps operators explain what they know before they change anything.

Common mistakes

Skipping the output that proves reading help and metadata before a change.
Changing several things before recording a baseline.

Reference

Commands in this lesson.

help

Show the command list.

man <command>

Read a short educational manual page.

stat <path>

Show lab file details.