Originally published at: http://www.howtogeek.com/149229/why-are-there-no-processes-1-2-or-3-in-my-windows-task-manager/
Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.
It should also be noted that the PID numbers are dynamically allocated. So it is not possible to e.g. compare processes in different systems by PID number.