实现的外壳,可以处理订单CD:电流变化路径pwd的过程:1.
代码说明:
实现Shell,能处理命令 cd :改变进程当前路径 pwd :查看进程当前路径 pid:查看当前进程号(getpid()系统调用) logout :退出shell ls [-l] rm [-r] mkdir, mv, cp-achieve Shell, can handle orders cd : the process of change current path pwd : View current path process pid : View the current process (getpid () system call) logout : withdraw from the shell ls [-l] rm [-r] mkdir, mv, cp
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