Oracle Utility maxmem

maxmem is a utility that ships with the unix version of the Oracle database. It is useful for showing available free memory on the unix machine.

maxmem is in $ORACLE_HOME/bin, and takes no parameters.

$ uname -a
HP-UX host21 B.11.11 U 9000/800 1288319306 unlimited-user license

$ swapinfo -t
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 35651584 0 35651584 0% 0 - 1 /dev/vg21_SWAP/lvol1
reserve - 20312372 -20312372
memory 27341052 3836680 23504372 14%
total 62992636 24149052 38843584 38% - 0 -

$ maxmem
Memory starts at: 9223372041149874176 (8000000100020000)
Memory ends at: 9223372047592194047 (800000027fffffff)
Memory available: 6442319871 (17ffdffff)