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README.md

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 [4、Linux进程、线程、调度(四)](https://github.com/0voice/linux_kernel_wiki/blob/main/%E6%96%87%E7%AB%A0/%E8%BF%9B%E7%A8%8B%E7%AE%A1%E7%90%86/Linux%E8%BF%9B%E7%A8%8B%E3%80%81%E7%BA%BF%E7%A8%8B%E3%80%81%E8%B0%83%E5%BA%A6(%E5%9B%9B).md)<br>
 [5、一文带你，彻底了解，零拷贝Zero-Copy技术](https://github.com/0voice/linux_kernel_wiki/blob/main/%E6%96%87%E7%AB%A0/%E8%BF%9B%E7%A8%8B%E7%AE%A1%E7%90%86/%E4%B8%80%E6%96%87%E5%B8%A6%E4%BD%A0%EF%BC%8C%E5%BD%BB%E5%BA%95%E4%BA%86%E8%A7%A3%EF%BC%8C%E9%9B%B6%E6%8B%B7%E8%B4%9DZero-Copy%E6%8A%80%E6%9C%AF.md)<br>
 [6、进程间通信，管道，socket，XSI(System V)](https://github.com/0voice/linux_kernel_wiki/blob/main/%E6%96%87%E7%AB%A0/%E8%BF%9B%E7%A8%8B%E7%AE%A1%E7%90%86/%E8%BF%9B%E7%A8%8B%E9%97%B4%E9%80%9A%E4%BF%A1%EF%BC%8C%E7%AE%A1%E9%81%93%EF%BC%8Csocket%EF%BC%8CXSI(System%20V).md)<br>
+[7、Linux进程状态总结](https://github.com/0voice/linux_kernel_wiki/blob/main/%E6%96%87%E7%AB%A0/%E8%BF%9B%E7%A8%8B%E7%AE%A1%E7%90%86/Linux%E8%BF%9B%E7%A8%8B%E7%8A%B6%E6%80%81%E6%80%BB%E7%BB%93.md)<br>
 
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