shell脚本编程大全，非常详细！他是一套非常棒的学习资料！-shell scr ipt programming Guinness, very detailed! He is a great learning materials!

自制的一个shell程序，实现cd,dir,clr,help,quit,if..then等命令-Made a shell program to realize cd, dir, clr, help, quit, if .. then other commands

它是关于类似cmd的接口dll文件，只要你输入类似cmd上命令，他会输出相应的结果。例如，ping 192.168.200.240这个地址，他会输出相应的结果。-It is similar to cmd on the interface dll files, as long as you enter a similar command on cmd, he will output the corresponding results. For example, ping 192.168.200.2

he following program was written to prove that character transliteration could be done with a user-level function. This program is not as complete as the system tr utility but it does most of the johe following program was written to prove that chara