This is the Debian GNU/Linux prepackaged version of the deferred execution scheduler called at. This package was debianized by its author Thomas Koenig , taken over and re-packaged first by Martin Schulze and then by Siggy Brentrup , and then taken over by Ryan Murray . This may be considered the experimental upstream source, and since there doesn't seem to be any other upstream source, the only upstream source. Copyright: 1993, 1994, 1995, 1996, 1997 (c) Thomas Koenig 1993 (c) David Parsons This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 dated June, 1991. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. On Debian GNU/Linux systems, the complete text of the GNU General Public License can be found in `/usr/share/common-licenses/GPL'.