[bash变量](bash%E5%8F%98%E9%87%8F.md) [多命令](%E5%A4%9A%E5%91%BD%E4%BB%A4.md) [脚本](%E8%84%9A%E6%9C%AC.md) [bash配置文件](bash%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6.md)