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|System Administration Guide: Oracle Solaris Containers-Resource Management and Oracle Solaris Zones Oracle Solaris Legacy Containers|
The patchrm system utility described in the patchrm(1M) man page is used to remove patches on a system with zones installed.
As the global administrator, you can use the patchrm utility in the global zone to remove patches. The patchrm utility cannot remove patches from the global zone only or from a subset of the non-global zones.
As the zone administrator, you can use the patchrm utility in a non-global zone to remove patches from that non-global zone only. Patches cannot affect areas that are shared.