Installation guide

G
Migration from ULTRIX Version 4.5 to
DIGITAL UNIX Version 4.0B
This appendix contains brief descriptions of features that are new to the
ULTRIX and UWS Version 4.5 operating system, and features that are new
to the DIGITAL UNIX Version 4.0B operating system. Each description
notes any migration issues between ULTRIX Version 4.5 and DIGITAL
UNIX Version 4.0B. Then, this appendix discusses the interfaces that have
been retired in DIGITAL UNIX Version 4.0B and whether their retirement
affects migration from ULTRIX Version 4.5.
G.1 New Features and Changes in ULTRIX and UWS
Version 4.5
The following new features and changes are in ULTRIX and UWS Version
4.5: none has an effect on the migration of the operating system to
DIGITAL UNIX Version 4.0B.
• The candc(8) command is a shell script that examines the core image
of the ULTRIX operating system to extract diagnostic data.
This command has no effect on migration from ULTRIX to DIGITAL
UNIX.
•Anusrsms option to the param.c file has been added for shared
memory management.
This option has no effect on migration from ULTRIX to DIGITAL UNIX.
• A new option, -l, has been added to the ypserv(8yp) command to turn
on log messages.
This new option has no effect on migration from ULTRIX to DIGITAL
UNIX.
• The X11R5 Xws server now supports both MX and PX graphic options.
Support for these graphic options has no effect on migration from
ULTRIX to DIGITAL UNIX.
• A new file, /etc/securenets, has been added: it is required for
portmapper operations.
This new file has no effect on migration from ULTRIX to DIGITAL
UNIX.
Migration from ULTRIX Version 4.5 to DIGITAL UNIX Version 4.0B G–1