通过进程的pid号来实现隐藏进程.修改系统调用getdents函数来隐藏进程-Through the process pid number to hide the process of implementation. Getdents modify system call function to hide the process of

crux系统的进程因此，包括源代码以及实验报告-crux hide process

Linux 内核下利用劫持系统调用法隐藏进程。(The Linux kernel uses the hijacking system invocation method to hide the process.)