Technical data
Installing, Upgrading, and Updating Software
3.1 Installing, Upgrading, and Updating the Operating System
3.1 Installing, Upgrading, and Updating the Operating System
The installation of software can mean a complete installation, an upgrade, or an
update. The terms have the following meanings:
Installation Used to install a completely new version of the operating system.
Upgrade Used to make major changes to an existing version of the operating
system.
Update Used to make minor changes to an existing version of the operating
system.
Refer to the following documentation for detailed instructions on how to install
and upgrade the OpenVMS operating system:
• On VAX systems, refer to the most recent versions of the OpenVMS
VAX Upgrade and Installation Manual and the upgrade and installation
supplement for your VAX computer.
• On Alpha systems, refer to the most recent version of the OpenVMS Alpha
Upgrade and Installation Manual.
3.2 Installing or Upgrading Layered Products
To install and upgrade layered products, use either the software installation
command procedure, SYS$UPDATE:VMSINSTAL.COM, or the POLYCENTER
Software Installation utility. The installation documentation for each layered
product states which procedure you should use.
Install or upgrade a layered product on your Alpha or VAX system as follows:
• If you are installing or upgrading a layered product using VMSINSTAL.COM,
review the information in the following sections:
Task Section
Preparing your system to run VMSINSTAL.COM Section 3.3
Running VMSINSTAL.COM Section 3.4
Recovering from a system failure Section 3.5
Selecting VMSINSTAL.COM options Section 3.6
Note that these sections do not describe specific VMSINSTAL.COM
procedures. The examples used are for illustration only. For details of a
particular product, refer to the installation documentation for the specific
product.
• If you are installing or upgrading a layered product using the POLYCENTER
Software Installation utility, refer to Section 3.7 and to the layered product
installation documentation.
Task Section
Using the POLYCENTER Software Installation utility Section 3.7
Installing software Section 3.8
Performing operations on installed software Section 3.9
Removing installed software Section 3.10
3–2 Installing, Upgrading, and Updating Software










