Microsoft has taken another big step toward shedding its reliance on Windows, the operating system around which it built a dominant computer business but which has declined in relevance as consumers opt for smartphones and tablets and commercial customers look to conduct more of their operations in the cloud. The company's announcement this week that SQL Server will be available for Linux may be CEO Satya Nadella's boldest move yet, as it expands a still-growing part of Microsoft's enterprise software unit to a
