stop users from running 'history -c' in Linux

Hi All,
My question is how can i stop my users on system from deleting their history.
How can i stop the users from running 'history -c'.

I have searched thoroughly on the forum but didn't find any satisfactory solution to the problem.
kindly help if you any suggestions

Thanx in advance

you can't.

if you need an audit trail that cannot be tampered with then you should enable auditing.

how??

tried google? first hit for: "linux auditing"

Linux audit files to see who made changes to a file