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// hands-on lab

Navigation drills

~12 min

Move, look, and find until it's automatic.

In the shell below:

1. `pwd` — confirm you start at home (~) 2. `ls -la` — read one line fully: permissions, owner, size, name 3. `cd /var/log && ls` — the incident room 4. `cd -` — bounce back home 5. `find ~ -name "*.txt"` — locate your text files 6. `tree ~/projects` — see structure at a glance

// checklist

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Linux sandbox (WebVM) · ephemeralOpen in new tab ↗

Click Start sandbox for an in-browser Linux environment.

No Docker on the server — the sandbox runs in your browser (or an embedded lab host).