Installs standard Mac OS X package files from the command line. install is an alternative to the Installer.app GUI application.
Install over an existing version of the software, even when the version being installed is older. The package must have special support for this option.
Send the list of command-line arguments, formatted in plist XML, to standard output without performing the installation. If you direct the output to a file, you can use that file with the -file option to perform multiple identical installations.
Log installer's messages to standard output.
Read arguments from file
pathname. The file needs to be a product of the -config option or a file of the same format.
Display a help screen, and then exit.
language (specified in ISO format) as the default language of the target system. Used only with OS installations.
Display the languages installer recognizes, in ISO format.
List the packages to be installed without performing the installation. Metapackages contain multiple subpackages; this option lists those subpackages as well.
When used with -pkginfo and -volinfo, format the output into plist XML.
Print more package and volume information. Used with -pkginfo and -volinfo.
Print more package and volume information, formatted for parsing. Used with -pkginfo and -volinfo.