Mission 229

Shared directory risk

Inspect shared directories before trusting their contents.

Permissions and users
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learner@clairos:/home/learner $ Unix ops lab: type a command, press Enter
Instructions 8 minutes

Click any instruction for the command details, the why, and the common mistake to avoid.

Inspect shared temp

Run stat /tmp.

stat /tmp
List shared temp

Run ls -la /tmp.

ls -la /tmp
Verify temp directory

Run test -d /tmp.

test -d /tmp
Lesson support

What to notice while you play.

Objective

Inspect shared directories before trusting their contents.

Hint

Run the commands in order and compare the outputs.

Why it matters

Junior operators build confidence by gathering evidence before changing systems.

Common mistakes
  • Skipping the inspection step.
  • Assuming one command tells the whole story.
Reference

Commands in this lesson.

ls [-la] [path]

List lab files and folders.

test -e|-f|-d <path>

Check path type in a training-friendly way.

stat <path>

Show lab file details.

lsof

Show simulated files and sockets opened by services.