Pkg add

Package add -- part of the pkg tools that allow you to install packages (contrast with Installing_ports)

Common flags:

-r fetch remote package
-f force install 
-n don't install, just tell what would happen if I ran this command
-v verbose
-I don't run any install scripts that come with the package
-p /this/dir/here install in /this/dir/here

See also pkg_delete and pkg_info