Abstract: There is provided a computer system including a first operating process operating in a non-modified operating environment and having at least one user operating command which is normally employed only in a given mode in the first operating process, and at least one second operating process which does not include encryption, the improvement comprising: a trigger for enabling a user operating the first operating process to initiate the second operating process, the trigger comprising said at least one operating command used in a mode other than said given mode.

Abstract: A system and method for selectable encryption of documents employing a document generator and a user-controlled document encryptor operative to encrypt user-selector portions of a document generated on document generator.

Abstract: A method and apparatus for color processing of an image displayed on a display device of a computer controlled display system. The method comprises storing the first image and a second image in a first memory; displaying the first image on the display device; displaying the second image on the display device; storing a first color information for the first image in a second memory; storing a second color information for the second image in a third memory; modifying the display of the first image by storing a third color information into the second memory. An example of an apparatus for performing this method includes a frame buffer for storing the first and second image in a computer controlled display device with a processor for controlling the display device. The apparatus further includes a memory for storing the color information, such as a video look-up table.