10  PRINT  CHR$ (4)"RENAME INPUT.TXT,OUTPUT.TXT"
20  PRINT  CHR$ (4)"RENAME DOCS,MYDOCS"
30  PRINT  CHR$ (4)"PREFIX /"
40  PRINT  CHR$ (4)"RENAME INPUT.TXT,OUTPUT.TXT"
50  PRINT  CHR$ (4)"RENAME DOCS,MYDOCS"