BlackBerry OS is a proprietary mobile operating system designed specifically for Research In Motion's (RIM) BlackBerry devices. The BlackBerry OS runs on Blackberry variant phones like the BlackBerry Bold, Curve, Pearl and Storm series.
The BlackBerry OS is designed for smartphone environments and is best known for its robust support for push Internet email. This push email functionality is carried out through the dedicated BlackBerry Enterprise Server (BES), which has versions for Microsoft Exchange, Lotus Domino and Novell Groupwise.
BlackBerry devices are also known by a variety of terms worldwide, including CrackBerry, berry, BB, and Bramble (Great Britain).