What does the Linux kernel acronyms PID, PPID, TGID stand for?
I stumbled upon them at strace-pids.
aldrinleal
- PID: Process Id
- PPID: Parent Process Id (the one which launched this PID)
- TGID: Thread Group Id
see this question for more details
来源：https://stackoverflow.com/questions/14342773/meaning-of-pid-ppid-and-tgid