Xprop lastmod 2026-08-28created 2020-11-015 edits Install sudo apt install x11-utils How to use $ xprop After entering the command, click the window whose properties you want to query. Querying only the PID xprop _NET_WM_PID See also x11 xmonad Xdotool x11-utils Pages that link here Wmctrl X Window System Xdotool Xmonad Xorg author Zer0 sitemap