zoneadm: add page (#19985)

Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>

pages/sunos/zoneadm.md

@@ -0,0 +1,32 @@
+# zoneadm
+
+> Administer Oracle Solaris zones.
+> More information: <https://docs.oracle.com/cd/E88353_01/html/E72487/zoneadm-8.html>.
+
+- List all zones and their current status:
+
+`zoneadm list -cv`
+
+- Verify the configuration of a specific zone:
+
+`sudo zoneadm -z {{zone_name}} verify`
+
+- Install a zone:
+
+`sudo zoneadm -z {{zone_name}} install`
+
+- Boot (start) a zone:
+
+`sudo zoneadm -z {{zone_name}} boot`
+
+- Reboot a zone:
+
+`sudo zoneadm -z {{zone_name}} reboot`
+
+- Halt (stop) a zone, bypassing any shutdown scripts inside the zone:
+
+`sudo zoneadm -z {{zone_name}} halt`
+
+- Uninstall a zone:
+
+`sudo zoneadm -z {{zone_name}} uninstall`