NULLFS(5)		    BSD File Formats Manual		     NULLFS(5)

NAME
     nullfs — null file system

SYNOPSIS
     To enable support for nullfs, place the following line in the kernel con‐
     figuration file:

	   options NULLFS

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

	   nullfs_load="YES"

DESCRIPTION
     The nullfs driver will permit the FreeBSD kernel to mount a loopback file
     system sub-tree.

EXAMPLES
     To mount a nullfs file system:

	   mount_nullfs /usr/ports /home/devel/ports

SEE ALSO
     fstab(5), mount_nullfs(8)

HISTORY
     The nullfs layer first appeared in 4.4BSD.

AUTHORS
     The nullfs kernel implementation was written by John Heideman.

     This manual page was written by Daniel Gerzo ⟨danger@FreeBSD.org⟩.

BSD				October 5, 2008				   BSD

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