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-rw-r--r--sbin/umount/umount.815
1 files changed, 12 insertions, 3 deletions
diff --git a/sbin/umount/umount.8 b/sbin/umount/umount.8
index 2ddbf5a..0f672b8 100644
--- a/sbin/umount/umount.8
+++ b/sbin/umount/umount.8
@@ -28,7 +28,7 @@
.\" @(#)umount.8 8.2 (Berkeley) 5/8/95
.\" $FreeBSD$
.\"
-.Dd June 17, 2015
+.Dd July 7, 2016
.Dt UMOUNT 8
.Os
.Sh NAME
@@ -36,12 +36,12 @@
.Nd unmount file systems
.Sh SYNOPSIS
.Nm
-.Op Fl fv
+.Op Fl fnv
.Ar special ... | node ... | fsid ...
.Nm
.Fl a | A
.Op Fl F Ar fstab
-.Op Fl fv
+.Op Fl fnv
.Op Fl h Ar host
.Op Fl t Ar type
.Sh DESCRIPTION
@@ -94,6 +94,15 @@ option and, unless otherwise specified with the
option, will only unmount
.Tn NFS
file systems.
+.It Fl n
+Unless the
+.Fl f
+is used, the
+.Nm
+will not unmount an active file system.
+It will, however, perform a flush.
+This flag disables this behaviour, preventing the flush
+if there are any files open.
.It Fl t Ar type
Is used to indicate the actions should only be taken on
file systems of the specified type.
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