Editing Runlevel (section)

=== Solaris ===
Starting from Solaris 10, SMF ([[Service Management Facility]]) is used instead of SVR4 run levels. The latter are emulated to preserve compatibility with legacy startup scripts.<ref name="solaris_boot">{{cite web
| title = Solaris Boot Process
| url = https://blogs.oracle.com/boot/entry/amrita_sadhukhan
| author = Amrita Sadhukhan
| publisher = [[Sun Microsystems|Sun]]
| access-date = 2009-08-19
| archive-date = 2013-07-09
| archive-url = https://web.archive.org/web/20130709063354/https://blogs.oracle.com/boot/entry/amrita_sadhukhan
| url-status = dead
}}</ref>

{| class="wikitable"
|+[[Solaris (operating system)|Solaris]] runlevels
!ID
!Description
|-
|'''0'''
|On SPARC systems, it returns to firmware, while on x86 systems, it shuts off the machine. If the user presses Enter, the system reboots.
|-
|'''S'''
|Single-user mode with only root filesystem mounted (as read-only) -- Solaris 10+: svc:/milestone/single-user
|-
|'''1'''
|Single-user mode with all local filesystems mounted (read-write)
|-
|'''2'''
|Multi-user mode with most daemons started – Solaris 10+: svc:/milestone/multi-user
|-
|'''3'''
|Multi-user mode; identical to '''2''' (runlevel '''3''' runs both {{mono|/sbin/rc2}} and {{mono|/sbin/rc3}}), with filesystems exported, plus some other network services started. -- Solaris 10+: svc:/milestone/multi-user-server
|-
|'''4'''
|Alternative Multi-user mode, User-definable
|-
|'''5'''
|Off
|-
|'''6'''
|Reboot
|}