PAM_USERDB (man8)
pam_userdb − PAM module to authenticate against a db database
pam_userdb − PAM module to authenticate against a db database
devlink-dpipe − devlink dataplane pipeline visualization
kernel-install − Add and remove kernel and initramfs images to and from /boot
sushell − execute the single-user shell
grub-set-default — Set the default boot menu entry for GRUB.
btrfs-filesystem − command group that primarily does work on the whole filesystems
vgimport − Register exported volume group with system
p11-kit − Tool for operating on configured PKCS#11 modules
userhelper − A helper interface to PAM.
vgcreate − Create a volume group