http://www.cnblogs.com/lijia0511/p/5644566.html http://www.njxblog.com/2016/03/vim%E7%AE%80%E6%98%8E%E6%95%99%E7%A8%8B%E3%80%90coolshell%E3%80%91/ ggdG 删除全部，gg跳到第一行，G跳到最后一行。