The -e option is used to edit the current crontab using the editor specified by the VISUAL or EDITOR environment variables. After you exit from the editor, the modified crontab will be installed automatically. If neither of the environment variables is defined, then the default editor /usr/bin/editor is used.
你说不是就不是喽
在我的机器上的结果是
所以我机器上用的是emacs, 看看你的机器上是什么就知道了.
然后用
sudo update-alternatives --set editor
设置成你喜欢的.