operating-system-user-accounts
operating-system-shepherd-service-names
operating-system-user-kernel-arguments
+ operating-system-firmware
+ operating-system-keyboard-layout
+ operating-system-name-service-switch
+ operating-system-pam-services
+ operating-system-setuid-programs
+ operating-system-skeletons
+ operating-system-sudoers-file
+ operating-system-swap-devices
operating-system-derivation
operating-system-profile