The Linux Process Principle, PID、PGID、PPID、SID、TID、TTY

转载自： https://blog.csdn.net/liujianfei526/article/details/50605813

2 Linux 进程的相关标识

0x1: PID(Process ID 进程 ID号)

0x2: TGID(Thread Group ID 线程组 ID号)

0x3: PGID(Process Group ID 进程组 ID号)

0x4: PPID( Parent process ID 父进程 ID号)

0x5: SID(Session ID 会话ID)