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Old 2nd December 2015
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jggimi jggimi is offline
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Join Date: May 2008
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Each of the Project's utilities may be slightly different, as each has a different provenance.

OpenBSD's dd(1) is based on NetBSD's, as OpenBSD was itself a fork of NetBSD, a little over 20 years ago. It has been continuously maintained, with the last revisions in support of OpenBSD's new pledge(2) security framework.

Here's a link to the source code:

http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/bin/dd/
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