diff命令的用法

参考：

diff 比较两个文件夹下各个文件的内容（差别）

https://dalewushuang.blog.csdn.net/article/details/89633180?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-89633180-blog-3030089.pc_relevant_paycolumn_v3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-89633180-blog-3030089.pc_relevant_paycolumn_v3&utm_relevant_index=2

linux 比较两个文件夹不同 (diff命令, md5列表)

https://blog.csdn.net/qq_38428855/article/details/99541198?utm_term=diff%E5%91%BD%E4%BB%A4%E5%AF%B9%E6%AF%94%E4%B8%A4%E4%B8%AA%E7%9B%AE%E5%BD%95&utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduweb~default-1-99541198-null-null&spm=3001.4430