wipefs: (man) add hint to erase on partitions and disk

Addresses: https://github.com/karelzak/util-linux/issues/1177
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/wipefs.8 b/misc-utils/wipefs.8
index 0ffe1f1835095036cf245d5e27632df2bdbc1cd8..cf45fe379477a3ea2de20b5a4c70c3ea75c6034e 100644 (file)
--- a/misc-utils/wipefs.8
+++ b/misc-utils/wipefs.8
@@ -42,6 +42,8 @@ in environments where a stable output is required.
 calls the BLKRRPART ioctl when it has erased a partition-table signature
 to inform the kernel about the change. The ioctl is called as the last step
 and when all specified signatures from all specified devices are already erased.
+This feature can be used to wipe content on partitions devices as well as partition
+table on a disk device, for example by \fBwipefs \-a /dev/sdc1 /dev/sdc2 /dev/sdc\fR.
 
 Note that some filesystems and some partition tables store more magic strings on
 the device (e.g., FAT, ZFS, GPT).  The