What does the pkgadd command do in Solaris?

The pkgadd command is used to transfer the content of the software package from the directory or the distribution medium to install it onto the system. It requires some amount of temporary space in the size of the package that is being installed. You can use many options with this command to do specific tasks. The '-d' specifies the device source specifier,'-s' is used to write the package to a spool directory instead of installing it, etc.