This information is made available with thanks to Evi Nemeth, Garth Snyder, Scott Seebass, and Trent R. Hein .
From the second edition of UNIX System Administration Handbook , published in January, 1995 by Prentice Hall's PTR Division.
The Refence Card is available by FTP from
in Postscript and is made up of
Common Command Examples
Sendmail Ruleset Order
Tokens Used In sendmail.cf
DNS Record Types
Suggested Hardware Vendors
Pinouts For Serial Connections
DB-25 To DB-25 RS-232 Connections
Mini DIN-8/DB-9 Straight Cables
Four-Pair UTP Wiring For RJ-45
Disk Block Sizes
Controlling Running Processes
Useful Internet Sites