Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)
A
0
Correta
B
1
C
3
D
5
E
6
Correta
Explicação Oficial / Explicações da Comunidade
Runlevel 0 is for system shutdown, and runlevel 6 is for system reboot. Using either as the default would prevent the system from booting into a usable state.