OSNews on Nostr: What is PID 0? The very short version: Unix PIDs do start at 0! PID 0 just isn’t ...
What is PID 0?
The very short version: Unix PIDs do start at 0! PID 0 just isn’t shown to userspace through traditional APIs. PID 0 starts the kernel, then retires to a quiet life of helping a bit with process scheduling and power management. Also the entire web is mostly wrong about PID 0, because of one sentence on Wikipedia from 16 years ago.
There’s a slightly longer short version right at the end, or you can stick wi
https://www.osnews.com/story/139915/what-is-pid-0/
#Unix
The very short version: Unix PIDs do start at 0! PID 0 just isn’t shown to userspace through traditional APIs. PID 0 starts the kernel, then retires to a quiet life of helping a bit with process scheduling and power management. Also the entire web is mostly wrong about PID 0, because of one sentence on Wikipedia from 16 years ago.
There’s a slightly longer short version right at the end, or you can stick wi
https://www.osnews.com/story/139915/what-is-pid-0/
#Unix