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Securing Users and Processes in Oracle® Solaris 11.3

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Updated: September 2018

Administering Immutable Zones

Immutable zones ensure the integrity of the files on the system. The policy of the zone specifies which files can be modified. If you have access to a terminal window in the global zone, you can change the zone to mutable, administer, then return the zone to immutable. Use the zlogin -U or zoneadm command, see Administering an Immutable Zone by Making It Writable in Creating and Using Oracle Solaris Zones and the mwac(5) man page.