What Are MD5, SHA-1, and SHA-256 Hashes, and How Do I Check Them?
You’ll sometimes see MD5, SHA-1, or SHA-256 hashes displayed alongside downloads during your internet travels, but not really known what they are. These seemingly random strings of text allow you to verify files you download aren’t corrupted or tampered with. You can do this with the commands built into Windows, macOS, and Linux.