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8 年
linux学习---进程控制(fork,vfork,popen,exec,system)
进程是操作系统的概念,每当我们执行一个程序时,对于操作系统来讲就创建了一个进程,在这个过程中,伴随着资源的分配和释放。可以认为进程是一个程序的一次执行过程。 二.进程和程序的区别 程序时静态的,它是一些保存在磁盘上得指令的有序集合,没 ...
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