/media/bill/HOWELL_BASE/System_maintenance/Linux/windows/windowing tools list.txt ************** 14Oct2017 xwininfo https://askubuntu.com/questions/153451/how-can-i-get-the-value-of-window-id How can I get the value of Window ID? Open a terminal and type: xwininfo -display :0 edited Jun 20 '12 at 12:45, Eliah Kagan answered Jun 20 '12 at 8:44, jasmines >> Wow! click on window - great info! : $ xwininfo -display :0 xwininfo: Please select the window about which you would like information by clicking the mouse in that window. xwininfo: Window id: 0x5200274 "recordmydesktop - How can I get the value of Window ID? - Ask Ubuntu - Mozilla Firefox" Absolute upper-left X: 3 Absolute upper-left Y: 47 Relative upper-left X: 10 Relative upper-left Y: 30 Width: 953 Height: 1005 Depth: 24 Visual: 0x21 Visual Class: TrueColor Border width: 0 Class: InputOutput Colormap: 0x20 (installed) Bit Gravity State: NorthWestGravity Window Gravity State: NorthWestGravity Backing Store State: NotUseful Save Under State: no Map State: IsViewable Override Redirect State: no Corners: +3+47 -964+47 -964-28 +3-28 -geometry 953x1005+-7+17 ******************* xdotools - see other files going into great detail... # enddoc