The gnome-wm script invokes the user selected window manager.
If the user has not chosen a window manager it will try to launch a
GNOME compliant window manager.
The user can overwrite the selection of a window manager by setting
environment variable. If a --default-wm option is given the script uses
that window manager in case
is not set. If gnome-wm is given as the argument to --default-wm then it
is the same as if no default was given.
The script takes the --sm-client-id argument and translates the id to an
appropriate option depending on which window manager was selected.
The gnome-wm program uses the value of the
environment variable to let the user override the configured window
R gnome-session(1), default.session(5)
If you find bugs in the gnome-wm program, please report
these using bug-buddy.