option-set
services.xserver.windowManager
Option sets
"2bwm"setafterstepsetawesomesetberrysetbspwmsetclfswmsetcwmsetdksetdwmsete16setevilwmsetexwmsetfluxboxsetfvwm2setfvwm3sethackedboxsetherbstluftwmsethyprseti3seticewmsetjwmsetkatriawmsetleftwmsetlwmsetmetacitysetmlvwmsetmwmsetnimdowsetnotionsetopenboxsetoxwmsetpekwmsetqtilesetratpoisonsetsawfishsetsmallwmsetspectrwmsetstumpwmsettinywmsettwmsetwindowlabsetwindowmakersetwmderlandsetwmiisetxmonadset