systemd-sysusers
Create system users and groups. tldr-pages
On Linux
Linux
Create system users and groups. If the config file is not specified, files in the sysusers.d directories are used.
Create users and groups from a specific configuration file
systemd-sysusers path/to/fileIdentifySimulate processing configuration files, printing what would be done
systemd-sysusers --dry-run path/to/fileIdentifyPrint the contents of all configuration files (before each file, its name is printed as a comment)
systemd-sysusers --cat-configIdentifyCreate users based on files listed in the previous command
systemd-sysusersIdentify