Examples:

OPEN FILE(F) OUTPUT TITLE('thedata');

OPEN FILE(TTY) TITLE('CONSOLE')
   STREAM INPUT;

OPEN FILE(PTR) TITLE('LPT1')
   STREAM OUTPUT PRINT LINESIZE(132)
   PAGESIZE(60);

OPEN FILE(MSG_FILE) INPUT;
                  /* The default title is 'MSG_FILE' */