From: utzoo!decvax!pur-ee!mahler Newsgroups: net.unix-wizar Title: Re: Re: VAX UNIX magtape lockout - (nf) Article-I.D.: pur-ee.445 Posted: Sat Jul 17 12:36:27 1982 Received: Sun Jul 18 04:51:51 1982 #R:uwvax:-48700:pur-ee:500003:000:397 pur-ee!mahler Jul 17 11:08:00 1982 ***** pur-ee:net.unix-wizar / mahler / 8:48 am Jul 17, 1982 Owner/Group/World permission should be who can open this device. IOCTL'S should be used to determine "sub-access" qualities (like exclusive open). Assignment/locking and Deassign/unlock are "sub-access" qualities of a general user accessable device. Steve Mahler, Network Services Mgr, Engineering Computer Network, Purdue ----------