I use a lot of command line programs, very often with similar arguments. Can anyone recommend an application or a workflow that allows me to store often used shell commands and search through my recent commands, using a GUI?

I have commands that I use very often (eg. rsync a specific directory to a server) and other commands that I use less often. Creating shell scripts for every code snippet I might reuse seems a bit awkward.

Especially for programs that I use seldomly, I end up reading the docs over and over again, because I forgot to write down the exact shell command. Ideally I would like an app that's just like Terminal.app, but provides some kind of history and snippet management.

What do you use to keep track of shell commands?