# 8.6. Miscellaneous

Various settings that does not belong to the previous pages.

Undo history

  The number of edit operation it is possible to revert in the editor. The potential memory usage increases with the selected value. Note that each open document have its own undo queue.

Make sound on data input failure

  When this option is selected, the computer will make a sound if a character input is refused. Example: Pressing '`A`' in the Primary View when in Binary mode, or when no input is allowed (read only document).

Make sound on fatal failure

  When this option is selected, the computer will make a sound if a fatal failure occurs. Example: Memory could not be allocated as a result of an edit operation.

Automatic copy to clipboard when selection is ready

  With this option enabled, selected data is automatically copied to the clipboard whenever a select operation is completed. Otherwise is must be done manually from the `Edit`Menu or by keyboard shortcuts.

Editor starts in "insert" mode

  If this option is selected, KHexEdit will start in insert mode by default. Once a document is opened, any new data will be inserted in to file enlarging the file size. Note that the Insert and Overwrite mode can easily toggled by the `Insert` key at any time while KHexEdit is running.

Confirm wrapping during search

  During a search or replace operation a notification will be displayed if the end (or beginning) of the document is reached. The user will have to confirm that the operation should continue at the other end of the document is this option is selected.

Cursor jumps to nearest byte when moved

  When this option is enabled, any cursor movement will result in that the cursor is moved (snapped) to the beginning of a byte, simplifying movement in the document. If disabled, the cursor will move to the closest character. Note: Control-Left Arrow and Control-Right Arrow will act as if the setting is disabled.

Confirm when number of printed pages will exceed limit

  When a document is printed, the number of pages is computed before anything is printed. If this option is selected and the number of pages exceeds the `Threshold` a confirmation dialog box is displayed to warn about a potential large number paper copies.