diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/coreutils.texi | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 75875d88c..6c49385e1 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -9634,8 +9634,9 @@ Display to standard error all status updates as sterilization proceeds. @opindex -x @opindex --exact By default, @command{shred} rounds the size of a regular file up to the next -multiple of the file system block size to fully erase the last block -of the file. +multiple of the file system block size to fully erase the slack space in +the last block of the file. This space may contain portions of the current +system memory on some systems for example. Use @option{--exact} to suppress that behavior. Thus, by default if you shred a 10-byte regular file on a system with 512-byte blocks, the resulting file will be 512 bytes long. With this option, |