How to view the hash of a file?

Are you looking to understand how to view the hash of a file? Well, let me ask you this: do you know what a hash is? Essentially, a hash is a unique fingerprint or identifier for a file that can be used to verify its authenticity and integrity. If you want to view the hash of a file, there are several methods you can use depending on your operating system. For example, on Windows, you can use the CertUtil tool or PowerShell. On macOS and Linux, you can use the md5sum, sha256sum, or openssl commands. But how do you know which method is right for you? Let's dive deeper and explore the specifics of each method so you can make an informed decision.