Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

                                             ◄Up► ◄Contents► ◄Index► ◄Back►
─────I/O Statements─────────────────────────────────────────────────────────
 
 
     Statement       Purpose
 
     BACKSPACE       Positions a file to the beginning of the previous
                     record
 
     CLOSE           Disconnects the specified unit
 
     ENDFILE         Writes an end-of-file record
 
     INQUIRE         Returns values indicating the properties of a file
                     or unit
 
     LOCKING         Locks direct-access files and records
 
     OPEN            Associates a unit number with an external device
                     or file
 
     PRINT           Displays data on the screen
 
     READ            Transfers data from a file to the items in an I/O
                     list
 
     REWIND          Repositions a file to its first record
 
     WRITE           Transfers data from the items in an I/O list to a
                     file
                                    -♦-