1    New and Changed Features

The Compaq Tru64 UNIX Version 4.0G software replaces earlier versions of the operating system software. This chapter describes the follwoing new and changed features provided by this release of the operating system:

1.1    Support for New Hardware

The following new hardware is supported in this release of the operating system:

1.2    Netscape Communicator Version 4.7

This release of Tru64 UNIX contains Version 4.7 of Netscape Communicator. For information on using Netscape Communicator to display the online documentation, see Chapter 8 in the Tru64 UNIX Installation Guide.

To obtain the latest fixes to the Netscape Communicator problems described in Chapter 4 of these release notes, it is recommended that you download and install the latest version available of Netscape Communicator for Tru64 UNIX from the Netscape Netcenter Download World Wide Web site. Enter the following URL in your web browser to obtain the latest version of Netscape Communicator: http://home.netscape.com/download/index.html#clients

1.3    Collect Data Collection Tool Now Supported

Collect Version 2.0 is a Y2K-compliant tool that collects operating system and process data under all supported versions of Compaq Tru64 UNIX. Collect is designed for high reliability and low system resource overhead.

The Collect tool gathers and displays information for subsystems. You can set Collect to gather data for a single subsystem or any combination of the following:

Processes
LSM
Memory
Network
File systems
Disks
CPUs
Queues
Message
Tapes

Collect has two modes of operation: collection and playback. In collection mode, it gathers operating system and process data and writes it to standard output, to a binary file with a compressed format, or to both.

In playback mode, Collect reads from a previously written binary file and writes to standard output. The format of the data when written to standard output is identical, whether during realtime collection or playback mode.

See the collect(1) reference page for more information.

1.4    Fibre Channel Connectivity Management Utility

The emxmgr is a utility that can be used to maintain the Fibre Channel Worldwide name to Target ID mappings for emx devices. When you use the emxmgr utility to maintain mappings, you do not need to rebuild the kernel or reboot the system to complete the maintenance functions.

The emxmgr utility is used to update and maintain emx mappings when:

See the emxmgr(8) reference page for more information on using this utility.

1.5    New Networking Features

Networking enhancements include the following:

1.6    48-Volt Power Supply Monitoring on 8200, 8400, GS60, and GS40 Systems

AlphaServer 8200, 8400, GS60, and GS40 systems now have the ability to monitor the status of 48-volt power supplies and to report and log bad power supply status.

1.7    Maximum Number of X Clients

In this release of the operating system, the maximum number of X clients supported by the X Server has been increased from 128 to 256.