程序的互斥运行 如果你的程序被同时运行两次以上，有可能会造成文件系统冲突而丢失数据，本例程用一个简单的办法避免第二次启动同一个程序。-operating procedures contradict the procedure if you are running two or more, and may cause conflicts and file system data loss, the routines with a simple way to avoid the second s

这个是一个c#的任务管理器，使我从别的地方下载下来的，里面用了很多系统的dll文件，挺简单的，主要就是学习一下，-this a c # task manager, so I downloaded from somewhere else down, inside with a lot of system dll documents, they are simple, the main thing is to learn from this. Ha ha

这是一个简单的java聊天系统，可以实现聊天，发送图片，发送文件等信息-This is a simple java chat system, can achieve chat, send pictures, send files and other information

模拟文件管理。设计并调试一个简单的文件系统，模拟文件操作命令的执行。深入了解主要文件操作命令的执行过程，掌握它们的基本实施方法-Analog document management. Design and debugging a simple file system, file manipulation commands execution simulation. Insight into the execution of the main file manipulation commands,