about virtual memory

[ranjith kumar]

Hi,

  I am working on 32bit x86 processor and my operating sysytem is linux.
I know that cat /proc/meminfo will tell size of RAM.

1) But how to know the total size of virtual memory my system has?
2) How to know size of pageframe?
3) How to know which page frames are free/allocated??
Thanks in advane.

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