IBM 440 - Manual (Page 170)

156 IBM ^ xSeries 440 Planning and Installation Guide
The three main types of rules in Process Control are shown in Figure 5-25. They
are:
Process alias rules
Process execution rules
Process group execution rules
Figure 5-25 Process Control rule types
5.3.1 Process alias rules
Windows 2000 uses the process ID associated with each process image name to
identify a process (see Figure 5-26). Process IDs change with each invocation of
a process and may be reused by the system. However, the use of image name
and process IDs can cause identification problems in applications such as Task
Manager when multiple processes have the same image name.
Figure 5-26 Task Manager, showing image names and process IDs