Linux

1. mmap

https://blog.csdn.net/qq_33611327/article/details/81738195

2. epoll

 如果这篇文章说不清epoll:https://zhuanlan.zhihu.com/p/63179839

3.sendfile、零拷贝

https://www.ibm.com/developerworks/cn/linux/l-cn-zerocopy1/index.html

https://www.jianshu.com/p/fad3339e3448