Device used to access the ram on my system?

Dear all,

I have a requirement of dumping all the information on the ram to a load
file.
I guess I should read /dev/ramdisk (/dev/ram0) device.

Can someone give me pointer of making sure that reading this will give
me the current ram disk contents?
Is there a procedure involved in reading its contents? Please update.

Regards,
Mukund Jampala

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