import java.net.URL;
public class OS {
public static final String CLASS_PATH;
public static final boolean isLinux;
static {
URL resource = OS.class.getResource("OS.class");
String classPath = resource.getPath();
String className = OS.class.getName().replace('.', '/') + ".class";
String classesPath = classPath.substring(0, classPath.indexOf(className));
if (System.getProperty("os.name").toUpperCase().indexOf("WINDOWS") != -1&& classesPath.startsWith("/")) {
classesPath = classesPath.substring(1);
isLinux = false;
} else {
isLinux = true;
}
CLASS_PATH = classesPath;
}
public static void main(String arg[]){
System.out.println(OS.isLinux);
}
}