[comp.unix.questions] /dev/ttyxx permissions

buck@sct60a.sunyct.edu (Jesse R. Buckley Jr.) (11/26/90)

        Does anybody know is the permissions on a tty have any importance
(besides the read and write ones of course)?



-- 
-Buck                    ! User n.: A programmer who will believe 
(buck@sct60a.sunyct.edu) !          anything you tell him.

gwyn@smoke.brl.mil (Doug Gwyn) (11/27/90)

In article <25090@adm.brl.mil> sct60a.sunyct.edu!buck@sct60a.sunyct.edu (Jesse R. Buckley Jr.) writes:
>        Does anybody know is the permissions on a tty have any importance
>(besides the read and write ones of course)?

Some systems use the x bits to indicate whether or not "breakthrough writes"
(e.g. "wall", "write", "talk") are permitted on that tty.