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NULLFS(5)		  FreeBSD File Formats Manual		     NULLFS(5)

NAME
     nullfs -- null file system

SYNOPSIS
     To	enable support for this	driver,	place the following line in the	kernel
     configuration 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

     It	is also	possible to define an entry in fstab(5)	that looks similar to:

     /usr/ports	     /home/devel/ports	     nullfs	     rw	     0	     0

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>.

FreeBSD	13.0			March 15, 2022			  FreeBSD 13.0
NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | SEE ALSO | HISTORY | AUTHORS

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=nullfs&sektion=5&manpath=FreeBSD+13.2-RELEASE+and+Ports>

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