There doesn't appear to be any sort of "usage" notes yet, however http://www.chromium.org/chromium-os/how-tos-and-troubleshooting/developer-faq http://www.chrom

There doesn't appear to be any sort of "usage" notes yet, however http://www.chromium.org/chromium-os/how-tos-and-troubleshooting/developer-faq http://www.chromium.org/chromium-os/how-tos-and-troubleshoot... has a list of keyboard shortcuts. CTRL-ALT-T should give you a shell.