(use-modules (gnu))

(operating-system
  (host-name "hn")
  (timezone "Europe/Paris")

  (bootloader
   (grub-configuration (device "/dev/sda")))

  (file-systems
   (cons (file-system
           (device "/dev/sda7")
           (mount-point "/")
           (type "ext4"))
         %base-file-systems))

  (users
   (list (user-account
          (name "al")
          (home-directory "/home/al")
          (group "users")
          (supplementary-groups '("wheel" "audio" "video"))))))