Embodiments include method, systems and computer program products for protecting against unintentional command re-execution. The method includes applying a shell wrapper to a shell history in which the shell history includes one or more commands. The method further includes analyzing each of the one or more commands in the shell history using the shell wrapper. The method further includes disabling an ability to re-execute one or more commands in the shell history based on a determination that the one or more commands in the shell history are determined to be potentially dangerous.