Update README.md

rd2coding · web-flow · commit 5e026c0a5b35 · 2021-06-23T10:18:45.000+08:00
diff --git a/README.md b/README.md
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 # 最新置顶资源下载
 
+- [常用Linux命令速查备忘手册！](https://mp.weixin.qq.com/s/GJYVt376C_g4406ux5uw0Q)
 - [自学编程一路走来，这些私藏工具和网站我全贡献出来了！](https://mp.weixin.qq.com/s/XUHnLCbq7mDWhOc9imTVzg)
 
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