,

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

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

AT&T UNIX System V Release 4 Version 2.1,

Unix System V: Programmer's Guide