The flexi server mechanism allows to run GDM sessions on demand, in a new
virtual console. The administrator can define multiple server configurations,
using alternate X servers, or different options, in the gdm.conf file, and
gdmflexiserver will present you with a menu, where you will be asked to
choose between those server configurations marked with flexible=true.
Alternatively, the --xnest option allows you to run a new session in an
Xnest(1) window.
OPTIONS
In addition to the common Gtk and GNOME options, gdmflexiserver accepts the
following options:
gdmflexiserver is part of the GDM software package, which is part of the
GNOME project. This manpage was written by Yann Dirson <dirson@debian.org> for
the Debian system, but may be used by others.