//// my_ls.c// myShell//// Created by baodong on 4/22/15.// Copyright (c) 2015 baodong. All rights reserved.//#include <dirent.h>#include <sys/stat.h>#include "apue.h"#include "myErr.h"int

带缓冲//// copyFile2.c// myShell//// Created by baodong on 4/22/15.// Copyright (c) 2015 baodong. All rights reserved.//#include "apue.h"#include "myErr.h"int main(void){ int n; while

sysctl machdep.cpu.brand_stringmachdep.cpu.brand_string: Intel(R) Core(TM) i5-4278U CPU @ 2.60GHz