telinit

Question 1

telinit

Answer 1

telinit may be used to change the system runlevel.

Question 2

telinit

0

1, s, S

2, 3, 4, 5

6

q, Q

u, U

–no-wall

Answer 2

0, Power-off the machine

1, s, S, Change into system rescue mode. Single-user mode.

2, 3, 4, 5, Multi-user mode no network(2), normal start(3), for special purpose(4), normal start with GUI(5)

6, Reboot

q, Q, Reload daemon config

u, U, Serialize state, reexecute daemon and deserialize state

–no-wall, Do not send wall messages before shutdown