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.TH "UPGRADE\-SYSTEM" "8" "2004-02-16" "http://q-funk.iki.fi" "Debian GNU/Linux"
.SH "NAME"
upgrade\-system \- Command for upgrading and sanitizing a Debian system
.SH "SYNOPSIS"
.B upgrade\-system
.SH "DESCRIPTION"
.BR upgrade\-system
is an APT front\-end that simplifies regular upgrading of Debian
systems, only requiring an administrator's intervention whenever
updated packages necessitate the configuration of new features.
.PP
The command sequentially performs the following operations:
.IP \(bu 3
Synchronize the list of available Debian packages.
.IP \(bu 3
Upgrade all installed packages to their newest versions.
.IP \(bu 3
Recursively uninstall all obsolete package dependencies.
.IP \(bu 3
Clean retrieved archives off the APT cache.
.SH ENVIRONMENT
Setting the
.B FLAUSCH
environment variable enables useful advanced system sanitization features. See
.BR upgrade\-system.conf (5)
for more details.
.SH "FILES"
.TP
.IR /etc/upgrade\-system.conf
.SH "AUTHORS"
Copyright \(co 2004-2012 Martin\-\['E]ric Racine <martin\-eric.racine@iki.fi>
.br
Copyright \(co 2004,2012 Christoph Schindler <hop@30hopsmax.at>
.br
Copyright \(co 2003-2004 Martin Zdrahal <martin.zdrahal@konflux.at>
.SH "LICENSE"
GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>.
.SH "SEE ALSO"
.BR apt (8),
.BR upgrade\-system.conf (5).
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