How to Pause a Process on OS X
So, you’ve just bought a shiny new Apple machine ? It is the fastest machine in the lineup with the max RAM you could afford.
And even that doesn’t stop OS X from throwing that annoying beach ball icon at you right when you’re at your most productive phase of the day?
If the answer to that is yes, read on!

A lot of games out there have some form of command prompt, often just for entering cheat codes. You know the type – you hit some function key and a bar drops down from the top of the screen letting you enter commands or codes or whatever else. Well some clever folks have taken that design and applied it to the command prompt in your Linux desktop. You can get a fully featured, skinnable terminal with split-screen views and all at the touch of a button. 