www root # cat /proc/meminfo 
        total:    used:    free:  shared: buffers:  cached:
Mem:  527507456 54874112 472633344        0  8822784 17379328
Swap: 1077469184        0 1077469184
MemTotal:       515144 kB
MemFree:        461556 kB
MemShared:           0 kB
Buffers:          8616 kB
Cached:          16972 kB
SwapCached:          0 kB
Active:          38552 kB
Inact_dirty:        84 kB
Inact_clean:       256 kB
Inact_target:     7776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       515144 kB
LowFree:        461556 kB
SwapTotal:     1052216 kB
SwapFree:      1052216 kB
Committed_AS:    90180 kB
www root #