Mission 29

System identity

Inspect simulated kernel, hostname, and clock output.

Terminal basics
6 minutes Core Lesson 29 of 360
unamehostnamedate
Lesson 29 of 360 0/360 lessons 0/17 missions Terminal basics · 6 minutes
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learner@clairos:/home/learner $ Unix ops lab: type a command, press Enter
Instructions 6 minutes

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

Read kernel label

Run uname -a.

uname -a
Read hostname

Run hostname.

hostname
Read clock

Run date.

date
Lesson support

What to notice while you play.

Objective

Read host identity without changing anything.

Hint

Use uname -a, hostname, and date.

Why it matters

Identity checks prevent cross-server mistakes.

Common mistakes
  • Assuming a prompt name is enough.
  • Running changes before confirming the host.
Reference

Commands in this lesson.

uname|hostname|date

Inspect simulated host identity and time.