online · thriller · shell
Linux Prison Break
You're locked in. Your only weapon is the terminal.
levels
- 01Where Am I?pwd
You wake up in Cell 42. A terminal flickers on the wall. Find out where you are using pwd.
● open50 XP2 min - 02What's Around?ls · ls -la
List everything in your cell. There might be something useful hidden in plain sight.
● open50 XP3 min - 03Read the Notecat · less
There's a note on the floor. Use cat to read it — it contains coordinates to the vent.
◌ locked75 XP3 min - 04Enter the Ventcd · relative paths
Navigate into the vent shaft. cd is your only way forward through the prison corridors.
◌ locked75 XP5 min - 05Find the Keyfind · grep
A guard dropped a keycard somewhere in the filesystem. Use find and grep to track it down.
◌ locked50 XP8 min - 06The Guard's Lockerchmod · file permissions
A restricted file holds the cell block override. Change permissions to read it.
◌ locked100 XP8 min - 07Server Roomps · kill · top
The server room controls the locks. Inspect running processes and shut down the security daemon.
◌ locked150 XP8 min - 08Redirect the Signalpipes | · redirection >
Pipe the guard's communication feed to a log file you control. Pipes and redirects are your weapon.
◌ locked200 XP8 min - 09Override Protocolenv · export · $VARIABLES
The escape hatch requires an environment variable set correctly. One wrong value and alarms trip.
◌ locked200 XP10 min - 10The Great Escapeshell scripting
Write a bash script that chains every skill you have learned. Execute it and walk free.
◌ locked500 XP12 min
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