SCREEN is a full screen text editor for use with an IBM Personal Computer
       It has many powerful features, some of which are:

     * full screen cursor movement        * cursor movements of:
     * line lengths up to 240 characters    -up
     * can edit file larger than memory     -down
     * two screen help menus                -left
     * function key overlay                 -right
     * block {move, copy, delete}           -word right
     * search for text                      -word left
     * replace text                         -page up
     * global replacements                  -page down
     * exchange two lines of text           -home
     * duplicate a line of text            * full insert and delete 
     * merge two line of text               - character
     * split a line of text in two          - word
     * convert text to uppercase            - line
     * convert text to lowercase            - end of line
     * print text to a printer             * complete file handling
     * center a line of text                - file directory
     * date and time within editor          - delete file
     * locate at absolute or relative       - read and write external files
       pages within the text                - automatic backup of files
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