From f49ad025e685161fa7c8bab12b18ead23919aa73 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Fri, 11 May 2001 08:18:18 +0000 Subject: [PATCH] (shred invocation): Warn about backups. From Nelson Beebe. --- doc/omni-utils.texi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/omni-utils.texi b/doc/omni-utils.texi index 7a9f32536..5ce276a3b 100644 --- a/doc/omni-utils.texi +++ b/doc/omni-utils.texi @@ -6125,6 +6125,12 @@ not truncate or remove the output file. This default is more suitable for devices, which typically cannot be truncated and should not be removed. +Don't forget about the risk of backups. +In large multiuser environments, there may be long-term file system +backups that retain copies of files that are later shredded. While +it may be impossible to recover a shredded file from disk, it may be +relatively trivial to do so from backup media. + @example shred [@var{option}]@dots{} @var{file}[@dots{}] @end example