The following commands are available for reading and writing files:

    Read file command                       Special     Single command arguments
       @;Y  Modified append file                             0    1    -    - 
        ;Y  Append file                                      0    1    -    - 
        @Y  Modified read file                               0    1    -    - 
         Y  Read file                                        0    -    -    - 
    Write file command
       @;S  Modified write file                              0    1    2    - 
        ;S  Write file                                       0    1    2    - 
       @;U  Modified write file; remove                      0    1    2    - 
        ;U  Write file; remove                               0    1    2    - 
       @;X  Modified write file; exit                        0    -    -    - 
        ;X  Write file; exit                                 0    -    -    - 
    Miscellaneous file command
        ;E  Execute file                                     0    -    -    - 
       @;E  Modified execute file                            0    -    -    - 
        :F  Insert filename                                  0    -    -    - 
        :N  Preset next file                                 0    1    -    -