How to prevent clearing of internet histroy

Without hacking Safari, there's no way that I know of that will allow you to prevent dumping the history. As for setting an age limit, this, in the Terminal app, will do it (where XXX is the number of days you want it to persist):

*defaults write com.apple.safari WebKitHistoryAgeInDaysLimit XXX*

If you enable parental controls, even if you don't actually restrict web sites through parental controls, you can view a log of sites that have been visited. Note that you can set things up so you can edit Parental Controls, and thus view this log, from another computer.

+"How can I set the systems up to PREVENT manual clearing of the Internet History -- or better yet, prevent it from being manually cleared, but allow it to automatically clear in let's say 14 days"+

Are you sure you want to know?

If so, here it is:

Log in the account you want to track history on.
open /Applications/Utilities/Terminal.app

at the prompt:
sudo chmod +a "<user> deny delete" /Users/<user>/Library/Safari/History.plist
#replace <user> with the user's account short name#
example:
sudo chmod +a "kj deny delete" /Users/kj/Library/Safari/History.plist

to check:
sudo ls -ael /Users/<user>/Library/Safari/History.plist

example
Should see something like:
-rw-r--r--+ 1 kj staff 438547 Feb 14 19:34 /Users/kj/Library/Safari/History.plist
0: user:kj deny delete
#You should see info similar to above. The "0: user:kj deny delete" is the new ACL entry#
#that will prevent the user from deleting the history file#

Actually, if the user checks to see if the history is actually deleted, it will appear empty,
but when Safari is closed and reopened, like magic, the history returns.

Kj ♘

Thanks for jumping in.

KJK555- how do you "un-do" this if you want to reverse it?