Unix(r) System V Release 4 User's Reference Manual/System Administrator's...

Unix'R System Five Release Four User's Reference Manual Paperback

AT&T UNIX System V Release 4: User's Guide- (1990)

UNIX System V-386 User's Reference Manual Paperback

User's Reference Manual/System Administrator's Reference Manual, UNIX System Lab

UNIX System V Release 3.2: System Administrator's Reference Manual 1989 FREE PP

User's Reference Manual/System Administrator's Reference Manual P