'Adds a command to the cron.'

def add_to_schedule(self, command_to_exec):

    self._filename = command_to_exec.split('    ')[0]
    remoteTime = self._exec('time')
    (atCommand, wait_time) = self._create_at_command(remoteTime, command_to_exec)
    self._exec(atCommand)
    om.out.debug('[atHandler]    Shellcode    successfully    added    to    "at"    service.')
    return wait_time
