How to Determine if a Mac Is Using FileVault from the Command Line
FileVault is a security feature that offers full disk encryption for Macs. Identifying Macs that are using FileVault is fairly easy in person for machines that have a logged in user account, all you have to do is check System Preferences to see if has been enabled or not. But what if you the Mac is either not logged into a user account, or what if you need to identify Filevault usage remotely? Both of these situations can call for using the command line to figure out the status of disk encryption.
From the command line (either remotely, or locally) enter the following command string:
sudo fdesetup status
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