用java编写的复制和加密解密，大家可以-Written using java replication and encryption and decryption, we can look at

这是一个关于Linux脚本的学习PPT，里面有详细的章节，同时还有多线程编程的源代码，和大家分享下。-This is a scr ipt on the Linux learning PPT, there are detailed chapters, as well as multi-threaded programming source code, and share with you.