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Question about ram in OS X
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Senior User
Join Date: Jun 2002
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Jan 23, 2003, 03:21 PM
 
Can someone explain to me how ram works differently in OS X (as opposed to OS 9)?

More specifically, I put my PowerBook to sleep rather than restarting it every day. Does OS X require a restart to "refresh" your ram?
17" MacBook Pro 2.66 GHz Intel Core 2 Duo | 320G HD | 4 GB RAM | 10.7
     
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Join Date: Nov 2001
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Jan 23, 2003, 03:35 PM
 
Originally posted by Buck_W:
Can someone explain to me how ram works differently in OS X (as opposed to OS 9)?

More specifically, I put my PowerBook to sleep rather than restarting it every day. Does OS X require a restart to "refresh" your ram?
OS X is much better at managing memory than OS 9. In OS 9, if you remember, each application is allocated memory based on what its minimum requirement should be. Do you remember doing a get info and setting the application memory limit? In OS X you don't have to worry about it. Also in OS 9 you could turn virtual memory on and off. In OS X it always on. OS X will not fragment memory which was a problem in OS 9. Over time you would need to reboot OS 9 so you could refresh memory. Again is OS X this is unecessary.
     
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Jan 23, 2003, 03:46 PM
 
What's the difference between this and protected memory in Windoze?

(sorry if it sounds sarcastic, it's a genuine question.)
     
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Jan 23, 2003, 05:59 PM
 
Originally posted by Ozmodiar:
What's the difference between this and protected memory in Windoze?

(sorry if it sounds sarcastic, it's a genuine question.)
Protected memory forbids one application from stealing memory that doesn't belong to it, or otherwise destabilizing the whole system. Both Apple and Microsoft use protected memory. The real difference is the methods they use (algorithms).
     
   
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