EmbLogic's Blog

Linux Run Levels

Linux Run Levels
================
Run Level    Description
0                    Halt
1                     Single-User mode
2                    Multi-user mode, usually without networking support
3                    Full multi-user mode with networking
4                    Unused
5                    Multiuser mode with networking and a graphical X window Session
6                    Reboot

- To change run level use init command

init run_level
- Most normal is run level 5 for graphical linux system.
- Level 1 is used for troubleshooting or emergency purpose.
- Most linux softwares start the network softwares at run level 3.
- What aplications work at Run level is determined by system by RC script.

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