[sonofgod]

It's a terrible idea, but an excellent example of experience:

https://github.com/nvbn/thefuck

[TL;DR -- typo a command, type 'fuck', will run the command you should have run]

[metaphorm]

by "terrible idea" you must mean "greatest operator experience of all time and surely no evil could come of this"

[odammit]

Oh my, this is hilariously awesome.