The Shell History file has saved my bacon many, many times. So many times I have used it to figure out what happened with a server after some kind of problem, or to find a command I had run before that I couldn't remember. The Shell history paints a very good picture of what has occurred on a server and is one of the first places I start when troubleshooting a server to see what has recently been happening.
It can also help document the configuration on a server. I remember many years ago we were having... [More]