[开发规范](%E5%BC%80%E5%8F%91%E8%A7%84%E8%8C%83.md) [注释](%E6%B3%A8%E9%87%8A.md) [脚本执行](%E8%84%9A%E6%9C%AC%E6%89%A7%E8%A1%8C.md) [变量](%E5%8F%98%E9%87%8F.md) [表达式](%E8%A1%A8%E8%BE%BE%E5%BC%8F.md) [常见符号](%E5%B8%B8%E8%A7%81%E7%AC%A6%E5%8F%B7.md) [常见命令](%E5%B8%B8%E8%A7%81%E5%91%BD%E4%BB%A4.md) [流程控制](%E6%B5%81%E7%A8%8B%E6%8E%A7%E5%88%B6.md)