【问题解决方案】Centos操作文件vim-No write since last change (add ! to override)

参考链接

• CSDN：Centos 7 操作文件No write since last change (add ! to override)

问题描述：

• :q或者:wq退出失败，显示如No write since last change (add ! to override)信息

有效的退出方法：ctrl+z退出

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