Sudo - How do I disable that 5 minutes thing?

[Nicholas Evans <owlmanatt owlmanatt com>]

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Hello

~    I'm wondering how do I go about disabling the 5 minute period
after an sudo where you don't need to give your password again. I read
somewhere there was a line I could edit in the sudoers file, but I
couldn't find this line. I've tried google, but all I'm getting are
guides on how to use sudo. Any pointers?

Thanks!
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