System Administration Guide, Volume 1

What Happens When You Install a Patch

When you install a patch, the patchadd command calls the pkgadd command to install the patch packages from the patch directory to a local system's disk. More specifically, patchadd:

During the patch installation, patchadd keeps a log of the patch installation in /var/sadm/patch/patch-number/log for the Solaris 2.4 release and compatible versions.

The patchadd command will not install a patch under the following conditions: