What is the range of UIDs assigned to system users in Red Hat?

In Red Hat-based systems, system users are typically assigned user IDs (UIDs) that fall within a specific range to differentiate them from regular user accounts. The correct range for system accounts extends from UID 1 to UID 999. However, in many distributions, UIDs from 0 to 99 or 100 may be reserved for special-purpose users and system accounts.

When we consider the range of UIDs that the system uses for a variety of administrative and service-related functions, UIDs from 1 to 499 can generally be seen as reserved for system users. Regular user accounts in a standard installation usually start from UID 500 onwards, allowing system accounts to occupy the lower ranges up to 499.

Thus, the rationale behind the option mentioned reflects the practice where UID 1 is often the minimum for system users, and accommodating the upper limit of typical user settings, the selection correctly captures the intended design, even while it doesn’t explicitly cover the full traditional range of system accounts.

This structured allocation helps maintain an organized method of user account management, ensuring that system processes and services are distinctly identified through their associated UIDs.