init
Linux Commands - Administrative Commands

init

init is the command that starts and loads drivers for the kernel. It uses

6 different run levels to provide options.

 

0 halt

1 single user mode, used for emergency recovery

2 multiuser, command line, not network

3 multiuser, command line with network

4 not used

5 Graphical User Interface, multiuser

6 reboot

 

Example:

 

init 0

 

This will halt the system.

 

init 6

 

This will reboot the system.