Table of Contents 
Special
NoticesTable of Contents Special
Notices
The following terms are trademarks of the International Business Machines
Corporation in the United States and/or other countries:
AIX AIX/ESA
AIX/6000 AIXwindows
AS/400 CICS
CICS/ESA CICS/MVS
DATABASE 2 DB2
Enterprise System/9000 ES/9000
ESA/390 ESCON
graPHIGS IBM
InfoExplorer Micro Channel
OS/2 OS/400
Presentation Manager PS/2
RACF RISC System/6000
S/390 System/370
System/390 VTAM
Xstation Manager
The following terms are trademarks of other companies:
AFS and Transarc are registered trademarks of the Transarc Corporation.
APOLLO is a registered trademark of the Hewlett-Packard Company.
AppleTalk is a trademark of Apple Computer Inc.
ARPANET was developed by the United States Department of Defense.
BSD is a trademark of the University of California, Berkeley.
Dasher 210 is a trademark of Data General Corporation.
DEC VT52, DEC VT100 and DEC VT220 are trademarks of the
Digital Equipment Corporation.
DECnet is a trademark of the Digital Equipment Corporation.
Digital Press is a trademark of the Digital Equipment Corporation.
Domain is a trademark of the Hewlett-Packard Company.
EtherLink is a trademark of the 3COM Corporation.
EtherLink/MC is a trademark of the 3COM Corporation.
3Com is a trademark of the 3COM Corporation.
HP and Hewlett Packard are trademarks of Hewlett Packard Corporation.
HYPERchannel is a trademark of the Network Systems Corporation.
IEEE is a trademark of the the Institute of Electrical and Electronics
Engineers, Inc.
Interlink is a registered trademark of Interlink Computer Sciences,
Incorporated.
IPX, Internet Packet Exchange and Novell are trademarks of Novell Inc.
Kerberos is a trademark of the Massachusetts Institute of Technology.
LSI/11 is a trademark of the Digital Equipment Corporation.
MCI is a trademark of MCI Communications Corporation.
Microsoft is a trademark of Microsoft Corporation.
NCS is a trademark of the Hewlett-Packard Company.
NDIS is a trademark of 3Com Corporation/Microsoft Corporation.
Network Computing System is a trademark of the Hewlett-Packard Company.
Network Computing Kernel is a trademark of the Hewlett-Packard Company.
Network File System and NFS are trademarks of SUN Microsystems, Inc.
NIC and NICps/2 are trademarks of Ungermann-Bass.
OSF/Motif is a registered trademark of Open Software Foundation, Inc.
OSF is a trademark of Open Software Foundation, Inc.
PC Direct is a trademark of Ziff Communications Company and is
used by IBM Corporation under license.
Portmapper is a trademark of SUN Microsystems, Inc.
PostScript is a trademark of Adobe Systems, Inc.
Project Athena is a trademark of the Massachusetts Institute of Technology.
SNS/SNA Gateway is a trademark of Interlink Computer Sciences,
Incorporated.
SUN Microsystems is a trademark of SUN Microsystems, Inc.
Telenet is a trademark of GTE Telenet Communication Corporation.
Ungermann-Bass is a trademark of Ungermann-Bass Corporation.
UNIX is a registered trademark in the United States and other
countries licensed exclusively through X/Open Company Limited.
VT52, VT100, VT102, VT200, VT220 are trademarks of the Digital Equipment
Corporation.
Western Digital is a trademark of the Western Digital Corporation.
Windows is a trademark of Microsoft Corporation.
Xerox and XNS are trademarks of the Xerox Corporation.
X/Open is a trademark of X/Open Company Limited.
X Window System and X Windows are trademarks of the Massachusetts
Institute of Technology.
Other trademarks are trademarks of their respective companies.
Preface