AT&T Unix PC Reference Manual (1986)
(archive.org)
From the bitsavers.org collection, a scanned-in computer-related document.att :: 3b1 :: hardware :: 999-300-1891S UNIX PC Reference Manual 1986
From the bitsavers.org collection, a scanned-in computer-related document.att :: 3b1 :: hardware :: 999-300-1891S UNIX PC Reference Manual 1986