小编ric*_*cab的帖子

来自 X(7) 手册页

DISPLAY NAMES
       From the user's perspective, every X server has a display name of the form:

                                  hostname:displaynumber.screennumber
[...]

displaynumber
    [...]
    To avoid confusion, each display on a machine is assigned a display
    number (beginning at 0) when the X server for that display is started.

如何找到分配给我的显示编号？

或者列出当前打开的显示器及其用户？