From 5d217e6f158411dbd363a6ed5d3a7693ca87e847 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Thu, 11 May 2017 15:54:30 +0200 Subject: [PATCH] wipefs: add note about no-act to the man page Signed-off-by: Karel Zak --- misc-utils/wipefs.8 | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/misc-utils/wipefs.8 b/misc-utils/wipefs.8 index 666c03c93d..b7c7467feb 100644 --- a/misc-utils/wipefs.8 +++ b/misc-utils/wipefs.8 @@ -32,10 +32,14 @@ the device. The command lists only the first offset where a magic string has been detected. The device is not scanned for additional magic strings for the same filesystem. It is possible that after a \fBwipefs -o \fIoffset\fR the same filesystem or partition -table will still be visible because of another magic string on another offset. +table will still be visible because of another magic string on another offset. The +option \fB\-\-no\-act\fR is also affected by this behavior and only the first +magic string for the filesystem is reported. When option \fB-a\fR is used, all magic strings that are visible for libblkid are -erased. +erased. In this case the +.B wipefs +scans the device again after each modification (erase) until no magic string is found. Note that by default .B wipefs -- 2.47.3