Patch administration involves installing or removing Solaris patches from a running Solaris system. It may also involve removing or backing out unwanted or faulty patches.
A patch is a collection of files and directories that replaces or updates existing files and directories to facilitate proper execution of the software. The existing software is derived from a specific package format, which conforms to the Application Binary Interface. See Chapter 14, “Package Commands,” for more information about packages.
The Solaris Operating Environment includes the following two commands for administering patches.
patchadd—Use to install directory-format patches to a Solaris system.