: Use the file command in Linux or a hex editor to check the magic bytes . A true ZIP file should start with 50 4B 03 04 (ASCII: PK.. ).
: If a hash (MD5, SHA-1, or SHA-256) was provided on the download page, compare it against the file to ensure it hasn't been tampered with. Download File 3fd4h3dods52.zip
: Use unzip -l 3fd4h3dods52.zip in a terminal to view the file list within the archive without extracting them. : Use the file command in Linux or
If you have downloaded this file from an untrusted source, follow these precautions before opening: follow these precautions before opening: