MacOS – Booting into single user mode by default

macbook promacossingle-user

I want to force myself to use the command line interface of OS X. How can I make my Macbook Air boot into single user mode by default?

Best Answer

Open Terminal.app and enter:

sudo nvram boot-args="-s"

In the future your Mac will always boot to single user mode until you remove (sudo nvram -d boot-args or sudo nvram boot-args="") or replace the boot-args.

Other boot-args directly modifying the boot mode:

sudo nvram boot-args="-v": verbose
sudo nvram boot-args="-x": safe mode

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