Does anyone have a fairly accurate method for determining how much memory is actually being used on a Linux box? The linux in question is RedHat Enterprise Server 4. ...yes, free(1): [root@tmr6s14 ~]# free total used free shared buffers cached Mem: 32752464 1904580 30847884 0 65444 1523444 -/+ buffers/cache: 315692 32436772 Swap: 2040244 0 2040244 ...you rephrased the question after posting to the oaktable, phrased this way took a lot less typing to answer :) -- //www.freelists.org/webpage/oracle-l