适用于QT2410（UNITAR）

UNIX下编程：目录树的遍历。包含文件:apue.h、error2e.c、pathalloc.c、3.c-Under UNIX Programming: the traversal tree. Include file: apue.h, error2e.c, pathalloc.c, 3.c

用共享内存，信号灯，以及互斥锁实现进程，线程间的通信，来模拟三国问题-using shared memory, lights, and Mutex realization process, the communication between threads, to simulate the three issues

分类的Unix/Linux命令操作指导。（针对各方面问题）-Classification of Unix/Linux command operation guidance. (For all aspects)

linux device driver examples

Linux 默认情况下，PC 喇叭发出的嘟嘟声音警告（System Beep）. 本程序可以让你随意控制蜂鸣器-Linux by default, PC speaker voice warning issued toot (System Beep). This procedure allows you to manipulate the buzzer

在myshell v0.1的基础上，增加新的功能：在父进程中接收控制台输入一行字符串，作为用户发出的Linux命令，如ls /usr/*.c ，在创建一个子进程后，子进程通过调用execlp()系统调用，执行这条命令。-In the myshell v0.1 based on adding new features: In the parent process to receive the console input line of string, as issued by the Linux user commands, such as ls/usr /*. c < Enter " , in creating a sub- the process, the child process by calling execlp () system call, the implementation of this Order.

linux 环境下C编写的PING程序，基于原始套接字，ICMP协议实现-linux environment, PING program written in C, based on raw sockets, ICMP protocol implementation

linux组播代码 #! /bin/sh gcc -Wall mcastclient.c -o mcastclient gcc -Wall mcastserver.c -o mcastserver #./mcastserver 230.1.1.1 7838 #./mcastclient 230.1.1.1 7838 192.168.100.1 12345 -linux multicast code#!/bin/shgcc-Wall mcastclient.c-o mcastclientgcc-Wall mcastserver.c-o mcastserver#./mcastserver 230.1.1.1 7838#./mcastclient 230.1.1.1 7838 192.168.100.1 12345

多媒体电话记录程序-multimedia phone records procedures

分别采用信号量，信号灯，条件变量实现的读者--写者方法。-Using semaphores, signal, variable conditions of the realization of the readers- to write those methods.