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Lesson support

What to notice while you play.

Objective

Practice checking a script before changing its mode.

Hint

Use stat before and after chmod.

Why it matters

Executable files deserve extra scrutiny.

Common mistakes

Making a file executable without reading it.
Confusing mode labels with script safety.

Reference

Commands in this lesson.

chmod <mode> <path>

Change a simulated numeric permission mode.

stat <path>

Show lab file details.