命令行笔记
how to exit vim？据说有1kk+的人搜索
Hit the Esc key; vim goes into command mode. Then you can type
:q to quit (short for :quit) 退出:q! to quit without saving (short for :quit!) 不保存退出:wq to write and quit (think write and quit) 编辑退出:wq! to write and quit even if file has only read permission (if file does not have write permission: force write) 只读模式编辑退出:x to write and quit (similar to :wq, but won’t write if there are no changes):qa to quit all (short for :quitall)
When you press :, a : will appear at the bottom of the screen.
Or you can press Esc ZZ (Esc Shift+Z Shift+Z) to write/save if the file was changed, then quit.
Or if you don’t want to save changes you can use ZQ instead.
Vim has extensive help, so type Esc:help Return and you will have all your answers and even a neat tutorial.
来源：How to exit the Vim editor?
查看端口
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Tomcat启动
找到bin目录下使用：
新建文件
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