We've had this discussion a few times in the past, but I think we're due for a fresh look with how much Terminal has improved over the last couple of OS X versions. So let's see your aliases, EXPORTs, ...

Terminal app can be daunting at first, but it’s really the best way to hack into your Mac’s configurations and preferences to customize things to work for you rather than against you. With the right ...

I use TotalTerminal for the same effect with Terminal.app. Pretty spiffy. You know what this thread hasn't had? A shell war.

I saw this tip over at OS X Daily today, and it reminded me of all the times I did this as a Mac IT guy a couple of jobs back. See, every so often, the Macs where I worked would start to act weird.