I've never tried, or even looked at fvwm, so I wouldn't know where to start! All I know about it is - it's Donald Knuths favourite WM - or at least it was - whether he still uses it - IDK!
if you don't mind......, comrade.I'll look up the docs for fvwm and see if I can work it out!
[email protected]:~$ neofetch _,met$$$$$gg. [email protected] ,g$$$$$$$$$$$$$$$P. --------- ,g$$P" """Y$$.". OS: Debian GNU/Linux 10 (buster) x86_64 ,$$P' `$$$. Host: B360M-D2V ',$$P ,ggs. `$$b: Kernel: 4.19.0-6-amd64 `d$$' ,$P"' . $$$ Uptime: 3 hours, 1 min $$P d$' , $$P Packages: 2172 (dpkg) $$: $$. - ,d$$' Shell: bash 5.0.3 $$; Y$b._ _,d$P' Resolution: 1280x1024 Y$$. `.`"Y$$$$P"' WM: fvwm `$$b "-.__ Theme: Breeze [GTK2/3] `Y$$ Icons: breeze [GTK2/3] `Y$$. Terminal: xterm `$$b. CPU: Intel i5-8500 (6) @ 4.100GHz `Y$$b. GPU: Intel UHD Graphics 630 `"Y$b._ Memory: 1902MiB / 15906MiB `""" [email protected]:~$