OS21 - What does OS21 stand for? The Free Dictionary
References in periodicals archive
Support for industry-standard operating systems includes Microsoft Windows CE, Linux and OS21
Complementing the STi7111 hardware, ST and its third party partners also provides a comprehensive suite of development tools, including both Linux and OS21
support, STAPI drivers and adaptation software for all major middleware.
Development support includes software tools, support for Linux, Windows CE and OS21
, and low level drivers, plus a range of middleware driver libraries.