We used to use things like this way back. In fact I would purchase these laminated sheets full of hints on various topics (c, unix, bash) and so on. The thing

We used to use things like this way back. In fact I would purchase these laminated sheets full of hints on various topics (c, unix, bash) and so on. The thing is I actually find it quicker to simply use my own notes today and/or google anything I need to know when I need to know it.