https://yiyibooks.cn/Phiix/bash_reference_manual/bash参考文档.html
https://yiyibooks.cn/Phiix/The_Python_Language_Reference/index.html
https://yiyibooks.cn/Phiix/bash_reference_manual/bash参考文档.html
https://yiyibooks.cn/Phiix/The_Python_Language_Reference/index.html