From 557a93020e912bc8042fb9fa1eed55bad746349e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=97=AA=E5=AE=A2sun?= <18811311416@sina.cn>
Date: Mon, 14 Feb 2022 22:38:03 +0800
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 934e83c..d3ae2a7 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,9 @@
 
 * **第三部分：一个新进程的诞生**
 
+   * [第21回 新进程诞生全局概述](https://mp.weixin.qq.com/s/H_OCZ2ZtGHWHge_rYKCkJw)
+   * [第22回 从内核态切换到用户态](https://mp.weixin.qq.com/s/eoBFcgm0QrHOVi_WoS7PwA)
+
 * **第四部分：shell 程序的到来**
 
 * **第五部分：从一个命令的执行看操作系统各模块的运作**