JSON User Records| systemd.io
User/Group Record Lookup API via Varlink| systemd.io
System and Service Credentials| systemd.io
The initrd Interface of systemd| systemd.io
Desktop Environments| systemd.io
Password Agents| systemd.io
Interface Portability and Stability Promise| systemd.io
Users, Groups, UIDs and GIDs on systemd Systems| systemd.io
The Boot Loader Interface| systemd.io
Automatic Boot Assessment| systemd.io
Control Group APIs and Delegation| systemd.io
Portable Services| systemd.io
systemd-resolved.service and VPNs| systemd.io