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 <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 March 15, 2022 FreeBSD 14.1-RELEASE-p8