d /tmp/.Test-unix 1777 root root 10d
# Unlink the X11 lock files
-r /tmp/.X0-lock
-r /tmp/.X1-lock
-r /tmp/.X2-lock
-r /tmp/.X3-lock
-r /tmp/.X4-lock
-r /tmp/.X5-lock
-r /tmp/.X6-lock
-r /tmp/.X7-lock
-r /tmp/.X8-lock
-r /tmp/.X9-lock
+r /tmp/.X[0-9]*-lock