Commands are not distinguished from options except for the fact that only one command is allowed.
gpg2 may be run with no commands, in which case it will
perform a reasonable action depending on the type of file it is given
as input (an encrypted message is decrypted, a signature is verified,
a file containing keys is listed).
Please remember that option as well as command parsing stops as soon as a non-option is encountered, you can explicitly stop parsing by using the special option --.
|• General GPG Commands:||Commands not specific to the functionality.|
|• Operational GPG Commands:||Commands to select the type of operation.|
|• OpenPGP Key Management:||How to manage your keys.|