How do I change the runlevel for a system without rebooting?
Updated -
To change the runlevel for a system without rebooting or changing the /etc/inittab file, execute the following command as the root user:
telinit <runlevel_value>
With <runlevel_value> having the following values:
0 — Halt
1 — Single-user mode
2 — Not used (user-definable)
3 — Full multi-user m...
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