public RuntimePlatform withOperatingSystemFamily(OSFamily operatingSystemFamily) {
        this.operatingSystemFamily = operatingSystemFamily.toString();
        return this;
    }
<p>
The operating system.
</p>

@param operatingSystemFamily
       The operating system.
@return Returns a reference to this object so that method calls can be chained together.
@see OSFamily
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/RuntimePlatform.java