[OT] Meaning of /proc/pid/status fields

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Hi All,

Its not a kernel issue but posting it for better understanding.

The output of cat /proc/<pid of program A>/status gives following output:

VmPeak:  3141876 kB
VmSize:  3141876 kB
VmLck:         0 kB
VmHWM:     12556 kB
VmRSS:     12556 kB
VmData:  3140564 kB
VmStk:        88 kB
VmExe:         4 kB
VmLib:      1204 kB
VmPTE:      3072 kB

What is the meaning of each row? Can anybody explain me? I understand
some of the fields but not all (like VmPeak Virtual memory peak limit
3GB here).

Regards,
Adil

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