devfsd

Source: devfsd
Package: devfsd
Versions: 
Prioritize: 45
Description: Daemon for the device file system
 This daemon sets up the devfs file system for use. It sets
 permissions of devices, and creates compatibility symlinks to the old
 names when devices are created by drivers. It further tries to load
 the appropriate drivers automatically when not yet existing devices
 are accessed.
 .
 devfs is a virtual file system (it is not stored on a disc, instead
 it reflects the contents of kernel data structures) introduced in
 Linux 2.4 kernels to counter the explosive growth of the number of
 device nodes in /dev. devfs is mounted on /dev and displays all
 devices exported by _loaded_ kernel modules. MAKEDEV is no more
 needed. It is particularly helpful if you
  - have lots and lots of devices (USB, SCSI, etc)
  - do hot-plugging (adding and removing devices on the running
    system)
 .
 You need to have devfs mounted at boot for this to work. If you don't, your
 system will keep working as before (with normal on-disc device files). See
 README.Debian for hints on how to do this.
 .
 Your system will work perfectly well without devfs, it is by no means a
 requirement. Alternatives for devfs are:
  - common on-disk device files. This is what you get by default.
  - udev (see the udev package, requires a 2.6 Linux kernel).

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other Descriptions of the devfsd package: