try

README - 副本.md

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+# 使用3号内核进行调式
+#### 从命令行创建一个新的仓库
+
+```bash
+touch README.md
+git init
+git add README.md
+git commit -m "first commit"
+git remote add origin https://bdgit.educoder.net/p7px8vou9/system_call_expand.git
+git push -u origin master
+
+```
+
+#### 从命令行推送已经创建的仓库
+
+```bash
+git remote add origin https://bdgit.educoder.net/p7px8vou9/system_call_expand.git
+git push -u origin master
+
+```
+