I use Antegos (a distribution based on Arch Linux) and I installed GNOME in my system.
- How can I disable GNOME running at system boot?
- After booting without GNOME, how can I start it again?
What you mean by GNOME auto starting is, most likely, actually
If you want to disable completely the graphical session and boot into rescue mode edit the kernel line in grub at startup and add an
To start gnome from commandline it depends on the login manager. If you have gdm for example try
If it's just that you installed gnome and want to switch to a previous desktop manager, look for a menu named "sessions" or something like it at the login screen.