Copyright (c) 2001 Chris Costello <chris@FreeBSD.org>
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notice, this list of conditions and the following disclaimer in the
(The comments found at the beginning of the groff file "man9/vfs_unmountall.9freebsd".)
- unmount all file systems
Fn vfs_unmountall void
sysctl Cm net.inet.tcp.syncookies
run only at system shutdown,
unmounts all mounted file systems
from most recent to oldest
in order to avoid handling dependencies.