$ linux-lab
Real x86 Linux in-browser via v86
(Alpine / buildroot). Graded lessons use the lightweight shell tab
in the course — this page is free practice.
note.
Boot downloads ~tens of MB (wasm + kernel image) from CDN.
If boot is flaky (COEP / CORS / network), use the external lab links below.
Course grading does not use this emulator.
idle · press boot alpine (v86)
$ practice notes
Try: uname -a, ls /, cat /etc/os-release,
ps, edit a file under /tmp.
Back in the course shell tab you get a smaller virtual FS
(/home/meow, logs, services) with exact grading.