Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

So while someone could get at your files if they know your password (the decryption key), they won't be able to take out a drive from your system and access what's on it, or use a second computer ...

Encrypting Files To encrypt a file for yourself, you can use symmetric encryption: gpg --symmetric filename To encrypt for someone else, use their public key: gpg --encrypt --recipient [email] ...