Installing a Patch
When you install a patch, the patchadd command copies files from the patch directory to a local system disk. The patchadd command does the following tasks.
Determines the Solaris version number of the managing host and the target host.
Updates the pkginfo file of the patch package with information about patches that are rendered obsolete by the patch being installed, other patches required by this patch, and patches that are incompatible with this patch.
In the backout area, saves a copy of all of the files that the patch replaces or modifies.
During patch installation, the patchadd command keeps a log of the patch installation ...
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