Advantages

• Better naming schemes
• Works at boot
• Works for read-only systems
• Even non-Unix root filesystem
• Preserves Unix "everything is a file" philosophy
• Uniform device scanning at last
• Supports a device management daemon (devfsd)
  • Allows module autoloading
  • Advanced permissions management (even NIS)
  • Access point for hot-plug device management
  • Unified device management for all device types
  • Custom name-spaces can be created
• Lightweight and unified mechanism
• Vendors can independently manage their name-space
• Scalable