Does Azure use Linux?

For example, Azure’s Software Defined Network (SDN) is based on Linux.” It’s not just on Azure that Microsoft is embracing Linux. “Look at our simultaneous release of SQL Server on Linux. All of our projects now run on Linux,” Guthrie said.

How much of Azure is Linux?

Select your preferred distribution with Azure Linux virtual machines (VMs), including Red Hat, SUSE, Ubuntu, CentOS, Debian, and CoreOS—about 50 percent of all Azure compute cores are Linux.