VGCREATE (man8)
vgcreate − Create a volume group
gnu-linux
vgcreate − Create a volume group
userhelper − A helper interface to PAM.
p11-kit − Tool for operating on configured PKCS#11 modules
vgimport − Register exported volume group with system
btrfs-filesystem − command group that primarily does work on the whole filesystems
service − run a System V init script
dracut-cmdline.service − runs the dracut hooks to parse the kernel command line
tracepath − traces path to a network host discovering MTU along this path
photorec − Recover lost files from harddisk, digital camera and cdrom
matchall − traffic control filter that matches every packet