linux中演示如何产生子进程，等待子进程退出的示例

台湾

写一个脚本文件checkuser,该脚本运行时带一个用户名作为参数，具体要求如下： 1)如果命令行格式不符合要求，应有错误提示信息； 2)在/etc/passwd文件中查找是否有该用户， 如有，则输出“Found in the /etc/passwd file.” 否则，输出“No such on our system” -Write a script file checkuser, the script run-time with a user name as a parameter, and specific requirements are as follows: 1) If the command-line format does not meet the requirements, there should be error message 2) in/etc/passwd file to check if there were any users, and if so, then the output " Found in the/etc/passwd file. " Otherwise, output" No such on our system "

linux 操作系统下的驱动程序开发例子-Linux operating system under the Driver Development example

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

C++ Reflection & Service Library -C Reflection

this SRC packet is the headfiles that MIZI vivi bootloader needed when compling

进程列表程序，包含AIX, System V, SUNOS -The app for listing processes, containing AIX, System V, SUNOS

QT 开发的简单计算器源码，经过简单编译即可用于arm开发板上-QT developed a simple calculator source code, after a simple compilation development board can be used to arm

开发Linux操作系统下的shell程序，编写了自己的she-Development under the Linux operating system shell procedures, the preparation of its own shell

公关系统服务器后台程序-public relations background process servers