wmname prints/sets the window manager name property of the root window similar to how hostname(1) behaves.
wmname is a nice utility to fix problems with JDK versions and other broken programs assuming a reparenting window manager for instance.
You can browse the source code or get a copy using the following command:
git clone http://git.suckless.org/wmname
The following command prints the window manager name, if any:
The following command sets the window manager name, e.g.
; wmname LG3D