中级运维学习进程
<p>API接口 库</p><p>ABI</p>
<p>POSIX可移植的操作系统的接口</p>
<p><img src="https://img2020.cnblogs.com/blog/2065911/202006/2065911-20200615191532003-1590746536.png"></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/2065911/202006/2065911-20200615192008335-406995879.png"></p>
<p> </p>
<p>开发调用库 库调用系统调用</p>
<p><img src="https://img2020.cnblogs.com/blog/2065911/202006/2065911-20200615192726626-382382583.png"></p>
<p> </p>
<p> 易语言(中文)</p>
<p> 减少用户空间和内核空间的切换就属于提升性能</p>
<p><img src="https://img2020.cnblogs.com/blog/2065911/202006/2065911-20200615202116203-1313089208.png"></p>
<p> </p><br><br>
来源:https://www.cnblogs.com/yun9678/p/13137599.html
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