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Lesson support

What to notice while you play.

Objective

Use read-only checks on a script.

Hint

Cat it, hash it, then stat it.

Why it matters

Scripts can encode powerful operational changes.

Common mistakes

Running scripts before reading them.
Assuming a filename proves a script is safe.

Reference

Commands in this lesson.

cat <file>

Print text file contents.

sha256sum <file>

Print a deterministic training checksum.

stat <path>

Show lab file details.