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How can I see the free memory on an AIX? There is no free -m under it.

AIX oslevel: 6100-03-03-0943

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Your AIX server won't have any free memory. It will have memory in use by applications and memory in use for filesystem cache. If you look at tools like topas, nmon, etc. they will all show nearly all of physical memory in use all the time. My question is, what are you trying to find out. – EightBitTony Dec 16 '11 at 14:35

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up vote 4 down vote accepted 
svmon

e.g.

# svmon
               size      inuse       free        pin    virtual
memory       131072     114552      16520      34191     151562
pg space     655360      78472

               work       pers       clnt      other
pin           30911          6          0       3274
in use        83264      31288          0

or vmstat as already shown (vmstat -v)

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up vote 2 down vote

Use this:

lsattr -El mem0
vmstat -v
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