Free Up Inactive Memory in Mac OS X with Purge Command

via OSXDaily

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Mac OS X has fairly good memory management but it’s not perfect, and sometimes RAM can be held unnecessarily in the “inactive” state despite the contents no longer being needed. If you’ve been participating in memory heavy activities or you just need to free up some available RAM you can actually force Mac OS X to clear out inactive memory.
Launch Terminal, found in /Applications/Utilities/ and enter the following command
purge

Give OS X a minute or two to complete the process
Open Activity Monitor to see the before and after results yourself, you’ll find dramatic changes at the “Free”, “Used”, and “Inactive” meters under System Memory.
The purge command forces disk and memory caches to be emptied, offering a ‘cold disk buffer cache’ which is similar to the state of the operating system after a reboot. Of course, the benefit of using purge rather than rebooting is that you don’t have to restart the machine and you can maintain currently active applications while still freeing up memory.
This is not necessary for most Mac users, but power users and those with heavy memory demands will undoubtedly find this command helpful in the future. If you feel like you are frequently hitting a memory ceiling learn how to check if your Mac needs a RAM upgrade and consider upgrading, it can dramatically improve overall system performance.
Note: You may need to have XCode & Developer Tools installed in order to use the purge command, that can be downloaded for free from the Mac App Store.

Informazioni su Davide

age 42, buddhist philosphy.

Pubblicato il 24/04/2012, in Guide con tag , , . Aggiungi il permalink ai segnalibri. 4 commenti.

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