xprop command_examples

xprop – property displayer for X

To display the name of the root window:

xprop -root WM_NAME

To display the window manager hints for the clock:

xprop -name xclock WM_HINTS

To display the start of the cut buffer:

xprop -root -len 100 CUT_BUFFER0

To display the point size of the fixed font:

xprop -font fixed POINT_SIZE

To display all the properties of window # 0x200007:

xprop -id 0x200007

To set a simple string property:

xprop -root -format MY_ATOM_NAME 8s -set MY_ATOM_NAME "my_value"