Andy Jassy, chief executive officer of web services at Amazon.com Inc., speaks during the Amazon Web Services (AWS) Summit in San Francisco on April 19, 2017.David Paul Morris | Bloomberg | Getty ImagesAmazon’s cloud division on early Tuesday announced the availability of new virtual computing instances for software developers that run Apple’s MacOS operating system, representing an alternative to Microsoft Windows and open-source Linux.Amazon Web Services controls the cloud infrastructure market, and it has sought to keep its lead against the likes of Google and Microsoft in part by regularly adding to its wide assortment of tools. No major cloud provider …
