SPACEIO // LINUX  Command of the Day #12

sha256sum: prove the file you downloaded is the real one

How do you know the file you downloaded is the real one?

sha256sum file

What it does

sha256sum prints a fixed fingerprint for a file. Compare it with the one the publisher lists. If it differs by even one character, don't trust the file.

Why it matters

Attackers swap legitimate downloads for tampered ones. Checking the hash catches it.

Try it

Check the hash of a file you downloaded. Did it match? Share what you found in the community.