Sun in August joined IBM, HP and Dell in offering Linux as a server operating system. A month later, IBM expanded its prepackaged Linux server offerings. Even Apple computers can be purchased with Linux preinstalled. Clearly, the Linux bandwagon is gathering speed — Sun has said it anticipates a 30 percent annual growth rate — but where is it going? For the first time in years, Microsoft’s unassailable lead in computer operating systems is being challenged by manufacturers offering Linux software. Even a puny challenge is better than none. Read more at Economist.