这是基于linux的客户关系管理系统，代码量超过5000行，是一个小程序，简单易懂，就是没有界面，都是字符界面-This is a linux-based customer relationship management system, the amount of more than 5000 lines of code, is a small program, easy to understand, is not the interface, are character-based inter

家庭财务管理小程序，可以简易地管理计算家庭支出及收入。-Family financial management applet, you can easily manage the calculation of household expenditure and income.

文件读写学生管理系统（初步）,自己做的小程序，主要用文件读写，逻辑可参考-student Admin system,my test code