gpg --gen-key
gpg --list-keys #list
gpg --card-status
gpg --edit-key <key>
gpg> toggle
gpg> keytocard
gpg --delete-secret-keys <key>
gpg --export-secret-keys <key> > private-key-backup.asc
gpg --armor --export <key> > public-key.asc
gpg --import private-key-backup.asc