Determining what patches are on your system Run the following command: $ pkginfo -c patch patch base-001 Base System Patch 001 patch base-003 Base System Patch 003 patch base-005 Base System Patch 005 patch base-007 Base System Patch 007 patch base-009 Base System Patch 009 ... patch netcmds-001 Commands Networking Extension Patch 001 patch nsu-001 Network Support Utilities Patch 001 patch nsu-002 Network Support Utilities Patch 002 patch oam-001 OA&M Patch 001 patch via-001 VIA SCSI Adapter Interface Patch 001 patch vp-001 Virtual Partition Patch 001 patch vp-002 Virtual Partition Patch 002 This lists all packages installed that are class "patch".