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From: Ricky G <ricky1252@hotmail.com>
CC: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject: RE: remove all installed packages
Date: Wed, 9 Dec 2015 07:53:01 -0500
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I think your looking for
pkg remove `pkg query %o` 		 	   		  =