1. PGP encryption can be performed from the command line as well. What is the PGP command line syntax to encrypt the my-message. txt file for a specific user (Sean) and save the output as secret-message. txt. gpg?

1. From the command prompt, type:

pgp - -encrypt "my-message. txt" - -recipient "Sean" - -output "secret-message. txt. gpg"

2. Press Enter.

Explanation:

From the command line, the above command is entered and Enter is pressed.

The command start with pgp, then it has different options:

--encrypt: this specifies the input file to be encrypted

--recipient: this specifies the specific user to which the file is been encrypted

--output: this specifies the name to which the output (encrypted file) is saved.