@Test
public void createVM () {

	long memory;
	try 
	{ 
	Process p=Runtime.getRuntime().exec("free"); 
	p.waitFor(); 
	BufferedReader reader=new BufferedReader(new InputStreamReader(p.getInputStream())); 
	String line=reader.readLine(); 
	if (line != null) 
	{ 
	line=reader.readLine();
	
	if (line != null) {
		memory = Long.valueOf(line.replaceAll(" *"," ").split(" ")[3]);
		System.out.println("================");
		System.out.println(memory);
	} else {
		
	}
	} else {
		
	}
	} catch (Exception e){
		
	}
}