docs: def zsh_mode(self, delay_factor=1, prompt_terminator="$"):
          """Run zsh command to unify the environment"""
          delay_factor = self.select_delay_factor(delay_factor)
          self.clear_buffer()
          command = self.RETURN + "zsh" + self.RETURN
          self.write_channel(command)
          time.sleep(1 * delay_factor)
          self.set_prompt()
          self.clear_buffer()