nano当然可以删除块，请参阅本文
- 使用CTRL+ Shift+ 6标记块的开始
- 用箭头键将光标移到块的末尾，文本将突出显示。
- 使用CTRL+ K剪切/删除块。
https://qastack.cn/ubuntu/154431/how-do-i-delete-multiple-lines-in-nano-without-affecting-the-clipboard#:~:text=%E5%A6%82%E4%BD%95%E5%88%A0%E9%99%A4nano%E4%B8%AD%E7%9A%84%E5%A4%9A%E8%A1%8C%E8%80%8C%E4%B8%8D%E5%BD%B1%E5%93%8D%E5%89%AA%E8%B4%B4%E6%9D%BF%EF%BC%9F%20%5BSolution%20found%21%5D%20nano%E5%BD%93%E7%84%B6%E5%8F%AF%E4%BB%A5%E5%88%A0%E9%99%A4%E5%9D%97%EF%BC%8C%E8%AF%B7%E5%8F%82%E9%98%85%E6%9C%AC%E6%96%87%20%E4%BD%BF%E7%94%A8CTRL%2B%20Shift%2B,6%E6%A0%87%E8%AE%B0%E5%9D%97%E7%9A%84%E5%BC%80%E5%A7%8B%20%E7%94%A8%E7%AE%AD%E5%A4%B4%E9%94%AE%E5%B0%86%E5%85%89%E6%A0%87%E7%A7%BB%E5%88%B0%E5%9D%97%E7%9A%84%E6%9C%AB%E5%B0%BE%EF%BC%8C%E6%96%87%E6%9C%AC%E5%B0%86%E7%AA%81%E5%87%BA%E6%98%BE%E7%A4%BA%E3%80%82%20%E4%BD%BF%E7%94%A8CTRL%2B%20K%E5%89%AA%E5%88%87%2F%E5%88%A0%E9%99%A4%E5%9D%97%E3%80%82%20%E8%A6%81%E5%B0%86%E5%9D%97%E7%B2%98%E8%B4%B4%E5%88%B0%E5%8F%A6%E4%B8%80%E4%B8%AA%E4%BD%8D%E7%BD%AE%EF%BC%8C%E8%AF%B7%E5%B0%86%E5%85%89%E6%A0%87%E7%A7%BB%E5%8A%A8%E5%88%B0%E8%AF%A5%E4%BD%8D%E7%BD%AE%EF%BC%8C%E7%84%B6%E5%90%8E%E4%BD%BF%E7%94%A8CTRL%2B%20U%E3%80%82