Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)
Answer: xwininfo
題解
「xwininfo」(/usr/bin/xwininfo)指令執行之後可以直接藉由滑鼠點擊想要得知一些相關屬性的視窗，來顯示該視窗的相關屬性。