public class login extends VMachine
{
	
	private String username;

	public login ()
	{
	}

	public void run()
	{
		FileClassLoader fileclass = null;
		fileclass = new FileClassLoader();
		fileclass.bindir = "C:\\java\\OSVM\\bin\\";
		
		String input = args;
		
		if(input.compareTo("")==0)
		{	
			sysapi.Write(OUT,"login: ");
			input = sysapi.Read(IN);
		}
		
		//------------
		//Check if user is already logged in
		//Autenticate - Have to write authentication function or VM
		//Set Directory Tree to User Directory
		//------------
		
		User newuser = new User(input);
		
		sysapi.setUser(newuser);
				
		if(((VMachine)vmh.getType()).Parent != null)
		{//Detaches this 'login' VM from previous User VM Tree
			sysapi.Exit(vmh,owner); 
			
			((VMachine)vmh.getType()).Parent = null;
			
			IN = sysapi.OpenDevice("keyboard",input);
			OUT = sysapi.OpenDevice("display",input);
			
		}
		else
		{
			sysapi.setTitle(input);
		}
		
		sysapi.Write(OUT,"Welcome to OSVM, " + input + "\n");
		
		newuser.addHandle(vmh);
		
		try
		{//Loads Shell VM
			Class VMClass2 = fileclass.loadCmd("shell");
			
			Handle vmh2 = sysapi.CreateVM(IN,OUT,VMClass2,input,"",this,null,null,0);
			
			newuser.addHandle(vmh2);
		}
		catch(Exception ex)
		{
			System.out.println("Exception while creating new shell.");
		}
		
		sysapi.Compute(vmh); // Runs Shell
		
		sysapi.Exit(vmh,input);

	}

};