操作系统

系统调用消息传递 系统调用是用户程序和操作系统内核之间的接口，用于向内核发出请求，获取系统资源和执行特权操作。系统调用通常需要传递一些参数，以...

实验题目 Project 1—UNIX Shell and History Feature This project consists of designing a C program to serve as a shell interface that accepts user commands and then executes each command in a separate process. This project can be completed on any Linux, UNIX, or Mac OS X system. A shell interface gives the user a prompt, after which the next command is...