The following are tasks that you need to perform before you install any Sybase software into a directory in which Sybase software is already installed.
Create a backup of the existing installation directory and the environment variable settings.
When you install Sybase products into a directory that contains other Sybase products, the installer overwrites existing files with the same name. If the files on the system are newer than the ones being installed, the installer prompts you to specify whether or not to overwrite the existing files. In most instances, you want the newer version of the files and should choose not to overwrite newer files.
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