GPG file verification after Litecoin download on Linux how to

Hello. I am just trying out the Litecoin binary download on Ubuntu 16.04 64 bit and am having a bit of trouble understanding the command line syntax for file verification using GPG. Could someone explain the terminal procedure for file verification of the Litecoin download?

for instance how to use
gpg --import
gpg --verify

Also, I am not sure how to use team members keys… or which team members keys? Can anyone help explain GPG file verification basic syntax for me? I tracked down these links and am still confused…

For step #1, try this command to import Adrian Gallagher’s public key:
gpg --keyserver --recv-key FE3348877809386C

The rest of the steps should work as-is, but let me know if you get stuck?