Specifies the maximum number of processes that can be created on a system. Includes system processes and user processes. Any value specified in /etc/system is used in the computation of maxuprc.
Determining the size of the directory name lookup cache (if ncsize is not specified)
Verifying that the amount of memory used by configured system V semaphores does not exceed system limits
Configuring Hardware Address Translation resources for x86 platforms
10 + (16 x maxusers) if maxusers is set in the /etc/system file
The larger of 30,000 or 10 + (128 x number of CPUs), if maxusers is not set in the /etc/system file
26 to value of maxpid
Yes. If the value exceeds maxpid, it is set to maxpid .
Changing this parameter is one of the steps necessary to enable support for more than 30,000 processes on a system.