CHICAGO — Driven by a hypercompetitive marketplace and the looming shadow of Linux, two of the biggest players in embedded software are shifting strategies in aggressive efforts to capture the minds and pocketbooks of developers. Microsoft Corp. on Monday (June 28) will roll out its first-ever commercial-derivatives program for all licensees of Windows CE. The program, which lets developers modify and redistribute the Windows CE source code, is seen as an effort by the Redmond, Wash., software giant to make its code more accessible to developers, la Linux. "This represents a major perception change in terms of the way programmers...