Correspondent David Willson Host ID: 261 email: DLWillson.firstname.lastname@example.org episodes: 1 hpr1361 :: SFS and Linux Camp Released: 2013-10-21. Duration: 00:19:57. Flag: Clean. Series: general. Tags: SFS, Software Freedom School, Linux Camp. Software Freedom School helps anyone interested in expanding their knowledge of free software Listen in ogg, spx, or mp3 format.