What is a cat file and how do I open a cat file?
CAT is a file used by the Windows operating system. It specifies that a group of files are from a verifiable source, and is used for security purposes and contains a digital signature, the catalog version, and an effective date; often used for verifying new software update files.
Relevant cat file links:How to open cat file on Youtube
How to open cat file on Wikipedia
How to open cat file on Microsoft.com