GPG encryption

The article describes a few basic use cases of GPG encryption. Encrypt file:

gpg -c --batch --passphrase MyPassword example.txt

Decript file:

gpg --batch --passphrase MyPassword example.txt.gpg

# Encrypt string into file:

echo "Hello World!" | gpg -c --batch --passphrase MyPassword > some_filename

# Decript into file:

gpg --batch --passphrase MyPassword --output UnlockedFileName LockedFileName

Decript in terminal:

gpg --batch -o - --passphrase MyPassword LockedFileName

Decript in terminal without output:

gpg -d --batch -o - --passphrase SomePassword LockedFileName 2> /dev/null

The official manual: https://gnupg.org/documentation/manpage.html