Mission 301

Command anatomy review

Separate a command name, its options, and its target before pressing Enter.

Terminal basics
8 minutes Beginner Lesson 301 of 360
manwhichls
Lesson 301 of 360 0/360 lessons 0/17 missions Terminal basics · 8 minutes
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Ops lab terminal Training lab
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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.

Read the ls manual

Run man ls.

man ls
Locate ls

Run which ls.

which ls
Apply options to a listing

Run ls -la.

ls -la
Lesson support

What to notice while you play.

Objective

Build repeatable confidence with reading command names, options, and arguments.

Hint

Start with man ls, inspect the result, then continue in order.

Why it matters

Reading command names, options, and arguments helps operators explain what they know before they change anything.

Common mistakes
  • Skipping the output that proves reading command names, options, and arguments.
  • Changing several things before recording a baseline.
Reference

Commands in this lesson.

ls [-la] [path]

List lab files and folders.

man <command>

Read a short educational manual page.

which <command>

Locate command paths.

lsof

Show simulated files and sockets opened by services.