A collection of practical or just pure awesome bash one-liners or shell script tips and tricks for GNU Linux, UNIX or BSD systems. Open, collaborative system, user friendly, with functions to contribute one-liners, request one-liners, search, rss feed, commenting, Open ID login. Open-source project, using Django, Python, jQuery, HTML5, Bootstrap from Twitter.
Usually a onliner could be greatly be improved (probably opinionated). Would be neat to have the alternative to comment (similar to stackoverflow).
Also: Give the possibility to set a onliner as a variation of one or more preexisting onliners.