Bash Challenges
Solve Bash challenges in a real Linux that runs in your browser: a live terminal to explore, automatic grading, and it installs as an app that works offline.
run ./bash-challenges →$ ls -lh ./practice
// challenges you solve right in your browser and get graded instantly. your progress stays in this browser.
# tracks
Python Challenges
100 challenges in 10 levels, from warm-ups to parsers, protocols, interpreters and distributed systems. Write Python and get graded instantly in your browser.
run ./python-challenges →Go Challenges
Write Go and have it compiled by the real Go toolchain, right in your browser: generics, goroutines, the full standard library, real compiler errors. Works offline after the first visit.
run ./go-challenges →SQL Challenges
100 challenges on one shop database, from SELECT and NULLs to joins and window functions, graded instantly by a real PostgreSQL running in your browser. Works offline after the first visit.
run ./sql-challenges →# coming soon
Git Challenges (coming soon)
Recover lost commits, bisect a bug, purge a leaked secret: in a real repository, graded on its final state.
Critical Thinking (coming soon)
Spot the fallacy, the misleading chart and the hidden confounder.