Other system limits

Updated: May 06, 2022

These limits apply to the entire system:

Processes
A maximum of 4094 active at any time.
Prefix space (resource-manager attaches, etc.)
Limited by memory.
Sessions and process groups
4094 (since you need at least one process per session or group).
Physical address space
No limits, except those imposed by the hardware; see the documentation for the chip you're using.

These limits apply to each process: