nullfs4
Null file system
Usage
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"
Overview
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
Releases
Unchanged in 3 releases since FreeBSD 15.0-RELEASE.