diff options
Diffstat (limited to 'doc/lispref/backups.texi')
| -rw-r--r-- | doc/lispref/backups.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/lispref/backups.texi b/doc/lispref/backups.texi index b9e6466c871..35a18651488 100644 --- a/doc/lispref/backups.texi +++ b/doc/lispref/backups.texi @@ -41,6 +41,11 @@ You can alternatively request numbered backups; then each new backup file gets a new name. You can delete old numbered backups when you don't want them any more, or Emacs can delete them automatically. + For performance, the operating system may not write the backup +file's contents to secondary storage immediately, or may alias the +backup data with the original until one or the other is later +modified. @xref{Files and Storage}. + @menu * Making Backups:: How Emacs makes backup files, and when. * Rename or Copy:: Two alternatives: renaming the old file or copying it. |