Runlevel of Suse

Runlevel: Runlevel are modes or level of operation in which the operating system function. The various runlevels in suse is as follow

Runlevel 0:

Computer is shut down and turn off In this mode. The command to do it is as follow

# poweroff

Or you can use

# init 0

Run level 1 :

This is a single user mode in which we have very limited access to system resources. Usally this runlevel is use for system maintenance.To switch to this mode type the following commands

# init 1

or

# init S

Run level 2:

It is multi user mode without network support.

To switch to this mode,

# init 2

Runlevel 3

This runlevel is Text mode with networking .To switch to this mode type following command

# init 3

Runlevel 4

This runlevel is not in used for now

Run level 5

This is multiuser GUI mode with Multiuser network support.

To switch to this mode type the command

# init 5

Runlevel 6

In this runlevel system reboot. To switch to this mode type the command

# init 6

or use the command

# reboot