SEEK - a file I/O statement that sets the position in a file for
       the next read or write
Syntax
  SEEK [#]filenumber,position
    - filenumber is an integer used in an OPEN statement to open the file
    - position is a numeric expression indicating where the next read or
      write is to be done:
        - for files opened in RANDOM mode, position is a record number.
        - for files opened in BINARY, INPUT, OUTPUT, or APPEND modes,
          position is the number of a byte from the beginning of the file.
 
See Also  <OPEN>  <GET(FILE I/O)>  <PUT(FILE I/O)>