sets the window manager name property of the root window
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. Usage: The following command prints the window manager name, if any: $ wmname The following command sets the window manager name, e.g. $ wmname LG3D
Homepage: https://tools.suckless.org/x/wmname