1. Via the meminfo file

[root@mylinux /]# grep Mem /proc/meminfo
MemTotal: 512847436 kB
MemFree: 508954988 kB
[root@mylinux /]#

2. free command

[root@mylinux /]# free -m
total used free shared buffers cached
Mem: 500827 3801 497026 0 153 599
-/+ buffers/cache: 3048 497779
Swap: 2559 0 2559
[root@mylinux /]#

Larry Catt
OCP