Definitions for "BeOS"
lightweight OS available for both PowerPC and x86 based machines. It is often referred to simply as "Be".
OS Platform (PowerPC und Intel x86) developed by Be, Inc.
This is an operating system designed by Be, Inc. The original goal of the OS was to create an OS able to process multiple digital media streams efficiently, with no loss of performance. This contrasts the Windows OS which has trouble with such operations. The BeOS was originally designed to work on the PowerPC, and was ported to the x86 architecture.
Keywords:  exapple, techsoup, slick, jean, gass
An operating system created by the Be, a company run by exApple executive Jean Louis Gassée. 1450
BeOS is very slick looking. But, unlike many pretty looking operating systems, it also supports the slick look and feel with a very powerful backbone. Mac users and Windows users will find its interface easy-to-use and comfortable. With built-in Internet protocol networking and a 64 bit file system, you'll also find it fast and powerful. Source: TechSoup.org
BeOS is a personal computer operating system that its makers describe as designed for the multimedia applications of the future.