NULLFS(5) 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 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 10.3 February 10, 2015 NULLFS(5)
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