Difference between Wired, Active, Inactive, & Free

In the Activity Monitor what is the difference between Wired, Active, Inactive, & Free RAM listing?

This should explain it:
Reading system memory usage in Activity Monitor
For more detailed info on memory management in OS X:
A detailed look at memory usage in OS X
Memory Management in Mac OS X
Memory Usage Performance Guidelines- Memory Management in Mac OS X
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Similar Messages

  • RAM - wired, active, inactive, free ?

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    Wired: I think is OS X requirements
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    Inactive: is previous items in RAM not being used anymore, but if a user or program calls it again it's faster to use the RAM version than load it from disk
    Free: Is exactly that, nothing in it.
    Inactive and Free are both available for new needs, Wired and Active are not unless they are made Inactive or Free (by a reboot)

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    Hi
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    The memory usage refers to the status of the system memory. From THIS Apple doc -
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  • What is the difference between unlocked and contract free

    hello
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    In query properties, under Suppression there are options Active and Active(All Values = 0).  What are the differences between these two options?

    Hi Thao,
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    Check your exchange or major service outagesIf someone has given a helpful answer, please click on their Ratings star on the left-hand side. ***

  • Massive difference between wired and wifi speed fr...

    Our new wired Home hub is delivering around 36 MBPS but on wife is only getting 25... I know we lose some but this is ridiculous! Any thoughts a to why please?

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    Ive been given an activation date of the 7th but the engineer appt is for the 14th!
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  • WRT54G2 v1 - Substantial Speed Difference Between Wired and Wireless Connection

    Hi everyone,
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  • What is the difference between wiring a datasocket reference or a datasocket URL into Datasocket Read and Write VIs?

    Which is better? To wire a URL or a reference into Datasocket read/write?
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