Sandbox · simulated Ubuntu

Your machine

A persistent, simulated Ubuntu server that's entirely yours. Create files, break things, fix them — it's saved across sessions and never touches a real machine. Try cat README.txt.

player@shellquest — sandbox · booting…

Signed in → your machine syncs to your account; signed out → saved in this browser. Powered by the ShellQuest simulation engine (~41 commands today; nano/vim, labs and the march to 100 commands are coming).