Run-levels: Create, use, modify, and master
June 20th, 2008
via redhatmagazine.com
A run-level is a system state that is defined by the services listed in /etc/rc.d. Typically, advanced administration of a machine is done by switching run-levels (or state) to perform tasks such as minimal resource usage, run-level 3, shutdown run-level 0, or maintenance. Maintenance is run-level 1–or single user mode, as it is commonly known
Categories: linux