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-rw-r--r--sys-utils/umount.84
1 files changed, 4 insertions, 0 deletions
diff --git a/sys-utils/umount.8 b/sys-utils/umount.8
index fb0601c6d..f09b1eae6 100644
--- a/sys-utils/umount.8
+++ b/sys-utils/umount.8
@@ -128,6 +128,10 @@ an unreachable network share where a normal umount will hang due to a downed
server or a network partition. Remounts of the share will not be possible.
.TP
+.BR \-N , " \-\-namespace " \fIns
+Perform umount in namespace specified by \fIns\fR.
+\fIns\fR is typically in form \fI/proc/[pid]/ns/mnt\fR.
+.TP
.BR \-n , " \-\-no\-mtab"
Unmount without writing in
.IR /etc/mtab .