System Administration Guide: Basic Administration

Determining a System's Run Level

Display run level information by using the who -r command.


$ who -r

Use the who -r command to determine a system's current run level for any level.


Example 16–1 Determining a System's Run Level

This example displays information about a system's current run level and previous run levels.


$ who -r
 .    run-level 3  Dec 13 10:10  3  0 S
$

Output of who -r command

Description 

run-level 3

Identifies the current run level 

Dec 13 10:10

Identifies the date of last run level change 

3

Also identifies the current run level 

0

Identifies the number of times the system has been at this run level since the last reboot 

S

Identifies the previous run level