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I know the general format for package names in Debian and Ubuntu. Some packages have additions to the standard numbering scheme with obvious meaning like svn20090426 etc. But also quite a few packages have dsfg in their name (e.g. 2:1.0~rc4~try1.dsfg1-1ubuntu1) – what does that mean?

Is it just a typo of the Debian Free Software Guidelines (DFSG)?

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up vote 13 down vote accepted

A package with 'dfsg'/'dsfg' suffix is one that has been stripped of any files that doesn't follow the Debian Free Software Guidelines.

(From Debian mailing list:

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So is dsfg indeed a typo and should be dfsg? – Marcel Stimberg Nov 5 '10 at 17:24
I see three source packages with that typo indeed... – JanC Nov 5 '10 at 23:22
Yes, I bet it's a typo :) – OpenNingia Nov 6 '10 at 9:45

I don't think dsfg is a "typo" I think it's more of a ACRONYM for Debian Free Software Guidelines (DFSG). Just my two cents.

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Typo means it is misspelled. It was said in the other answer that it is an acronym but with a typo. Notice that the s and f are mixed up. – Dan May 24 '14 at 6:45

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