public String getOperatingSystem() {
        return this.operatingSystem;
    }
<p>
The operating system of the fleet's computing resources. A fleet's operating system is determined by the OS of
the build or script that is deployed on this fleet. This attribute is used with fleets where
<code>ComputeType</code> is "EC2" or "Container".
</p>

@return The operating system of the fleet's computing resources. A fleet's operating system is determined by the
        OS of the build or script that is deployed on this fleet. This attribute is used with fleets where
        <code>ComputeType</code> is "EC2" or "Container".
@see OperatingSystem
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/FleetAttributes.java