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Tuesday, March 20, 2018

By default, which of the following is NOT a legitimate Linux run level?

By default, which of the following is NOT a legitimate Linux run level?

  • 4: Normal mode
  • 6: Reboot system
  • 1: Single-user mode
  • 3: Multi-user mode with networking 
By default, which of the following is NOT a legitimate Linux run level?

EXPLANATION

A Linux run level defines the state of the system after boot. Conventionally, seven run levels exist, numbered from zero to six. They include:
0: Halt system
1: Single-user mode
2: Basic multi-user mode without NFS
3: Multi-user mode with networking
4: Unused
5: Multi-user mode with GUI

6: Reboot system

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