How to Disable Screensaver on Mac Using the CLI


If you want to disable the Screensaver on your Mac, by using the Command Line Interface (CLI), then you can do the following:

Step 1 – See what is currently set

defaults read com.apple.screensaver

Step 2 – Set the idleTime

defaults -currentHost write com.apple.screensaver idleTime 0

Step 3 – (Optional) – Undo the change

defaults -currentHost delete com.apple.screensaver idleTime