Shell commands to find available memory

Bob Sneidar bobs at twft.com
Tue Aug 14 16:26:02 CDT 2012


I also read this:

You can use the following commands:

sysctl -a | grep hw.usermem
sysctl -a | grep hw.physmem

here: http://superuser.com/questions/197059/mac-os-x-sysctl-get-total-and-free-memory-size

Bob


On Aug 14, 2012, at 1:04 PM, Richard Gaskin wrote:

> Bob Sneidar wrote:
> 
> > Looks like hw.memsize is total memory. hw.usermem is available
> > memory. Somebody correct me if I am wrong.
> 
> I had thought so too, but after opening a LOT of applications and seeing avail. mem. drop in Activity Monitor, that number remained unchanged in subsequent calls.
> 
> 
> > mAHAH! vm_stat will give you what you want.
> 
> The man for vm_stat suggests it reports only on virtual memory rather than physical. :(
> 
> --
> Richard Gaskin
> Fourth World
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