Technology
macOS Big Sur: The startup chime is back – Macworld
The chord the Mac plays when you boot a Mac has returned. If you don’t like it, you can use the Terminal to turn it off.

Longtime Mac users will remember that the Mac used to chime when you powered it up. Apple removed the chime in 2016, but with macOS 10.15 Catalina, users could reinstate the chime through a command in the Terminal.
The chime is back by default in macOS 11 Big Sur. In the short video clip below, you can hear what the chime sounds like on my (beat-up) 2014 MacBook Pro running the Big Sur beta.
If you mute the Macs audio before you shut down, the chime will not play the next time you boot the com…
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