
Unix System V: Programmer's Guide,

AT&T UNIX SYSV/386 Release 4.0 v2.1 : AT&T : Free Download, Borrow, and Streaming : Internet Archive,

AT&T UNIX System V Release 4 Version 2.1,

AT&T UNIX System V Release 4 Version 2.1 | eBay,

UNIX and Linux System Administration Handbook: Nemeth, Evi, Snyder, Garth, Hein, Trent, Whaley, Ben, Mackin, Dan: 9780134277554: Amazon.com: Books