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What is a good memory app for OS X?
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Mac Elite
Join Date: Mar 2000
Location: Utah, USA
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What is a good application for viewing how much memory each application is using in OS X?
Process viewer is ok but it does not give enough info.
I am looking for an app that will tell me how much RAM each app is using including OS X and how much FREE RAM is left.
Any suggestions?
Thanks!
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Professional Poster
Join Date: Apr 2001
Location: Long Beach, CA
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use top in the terminal.
Oh, and any free memory is WASTED memory. Why would you want free memory?
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ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
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Dedicated MacNNer
Join Date: Mar 2001
Location: Iowa City, IA
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Originally posted by skyman:
What is a good application for viewing how much memory each application is using in OS X?
Process viewer is ok but it does not give enough info.
I am looking for an app that will tell me how much RAM each app is using including OS X and how much FREE RAM is left.
Any suggestions?
Thanks!
OS X is not OS 9. Technically, there is no free RAM in OS X, because any RAM not in use is used by the OS to cache files in a sort of reverse virtual memory (or, to use an OS 9 metaphor, a RAM disk), so that recently accessed files can be reloaded almost immediately. Note that applications are themselves files. This is one of the main reasons why OS X's performance increases dramatically when you put lots of RAM in the machine: It only loads files off the HD once, and serves them up from (much, much faster) RAM afterward.
My advice would be not to worry about RAM consumption unless you're looking for a memory leak (in that case, you should install the Developer Tools, which come with a nice set of utilities for finding such things). OS X's memory management is orders of magnitude more robust and more efficient than OS 9's. If your performance is not what you'd like it to be, add more RAM. 
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James
"I grew up. Then I got better." - Sea Wasp
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Professional Poster
Join Date: May 2001
Location: North Dakota, USA
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We can't do RAM disks in OS X, can we? It'd be great for portable users... if Apple could make the OS automatically make some sort of RAM disk so the hard drive would spin down... my hard drive constantly spins on my iBook, and I think it's the Microsoft updater thing, but I don't know how to get rid of the updater since I trashed the Microsoft folder on mine.
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Mac Elite
Join Date: May 2002
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You can do ram disks, actually - man hdid for details.
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[vash:~] banana% killall killall
Terminated
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