The Teradata Tools and Utilities (TTU) Products can now be installed at a location provided by the user. All products of the same release (for example, 15.10, 16.20, etc.) must be installed at the same prefix.
The install location (TTU_install_directory) is defined as <prefix>/teradata/client/16.20. If a prefix is not provided by the user, then the default <prefix> will be /opt.