Magic words for your terminal.
The Sorcerer Yen Sid is away at a convention, and he's left you his spellbook: real-ish terminals that run entirely in your browser. Every command is a spell. Mickey, the last apprentice, tried to automate the chores with enchanted brooms. It went about as well as you'd expect.
Pick a module, complete quests to earn โจ pixie dust, and collect a graded report card for each one. Hints cost pixie dust the moment you take them. You can't break anything, and reset puts every level back.
reset