# Preferences

- History

  The number of the histories of the file displayed on the file item of a menu can be specified. If there are more present histories than the specified number of histories, the history of an old file is deleted.

- New File

  A new file is created when a program is started. When there is a file opened at starting, a file is not created.

- Open Window

  When a program is started doubly, the program started newly also opens a window. If this item is unchecked, the program started doubly will be passed to the program which has already started the argument.

- Window Size

  The width and the height of a window are specified.

- Tab Position

  The position of the tab of a notebook is specified.

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