the cmd upgrade

Author: DovSnier

Temp/bash/cmd.md

@@ -3,6 +3,8 @@
 - [一. 删除缓存](#一-删除缓存)
   - [1.1. pyc and pycache](#11-pyc-and-pycache)
   - [1.2. 扩展目录](#12-扩展目录)
+- [二. pip](#二-pip)
+  - [2.1 pip list or freeze](#21-pip-list-or-freeze)
 
 ## 一. 删除缓存
 
@@ -24,3 +26,20 @@ find . -type d -name build -exec rm -r {} +
 find . -type d -name dist -exec rm -r {} +
 find . -type d -name .tox -exec rm -r {} +
 ```
+
+## 二. pip
+
+### 2.1 pip list or freeze
+
+```bash
+# pip list
+pip2 list > ./Temp/txt/pip2_list.txt
+pip3 list > ./Temp/txt/pip3_list.txt
+pip2 list > ./Temp/txt/2021_pip2_list.txt
+pip3 list > ./Temp/txt/2021_pip3_list.txt
+# pip freeze
+pip2 freeze > ./Temp/txt/pip2_freeze.txt
+pip3 freeze > ./Temp/txt/pip3_freeze.txt
+pip2 freeze > ./Temp/txt/2021_pip2_freeze.txt
+pip3 freeze > ./Temp/txt/2021_pip3_freeze.txt
+```