cmd /K dont work anymore

[Max]

Hi people

under windows XP when I was typing this :
cmd.exe /k echo first line & echo second line

it was working
but now under Vista with the same command I see the cmd open, but is
directly close himself and don't execute the command, why ?

 

[Max]

ho it's working I understand my error

I was typing this

cmd /k & echo thing

but don't need the first & ;P is just between command