Lion and Mountain Lion extend this a little in that they will actually quit
relaunch applications that are idle. There has been some discussions of this
and also a program called: THere is also a program called AppTamer that Tidbits
recommended. I have a licensed copy from two years ago but I n
I never noticed a response to this one. As far as I know you should
never need such an app. Unix, upon which OSX is built, has a very solid
memory management system and should take care of things well enough on
its own. If you quit an app, all the memory associated with it should be
de-allocate
