gpg:tldr:eaf55

The command "gpg --import ${public-gpg}" is used to import a public GPG key into your GPG keyring.

Here is a breakdown of the command:

• "gpg" is the command-line tool used for encryption and digital signatures in GnuPG (GPG).
• "--import" is an option that tells GnuPG to import a key into the keyring.
• "${public-gpg}" is a placeholder for the filename or path of the public GPG key file.

To use the command, you would replace "${public-gpg}" with the actual filename or path of the public GPG key file you want to import. This file typically has the ".asc" or ".gpg" extension and contains the public key of another user or entity.

After executing the command, GnuPG will read the specified file and import the public key into your keyring. This allows you to verify signatures made with that key or encrypt messages intended for the corresponding private key holder.