Int 21H, AH=17H

1 and higher

RENAME FILE USING FCB

DosMove

      AH = 17h
      DS:DX -> modified FCB (see also #01345)
              the old filename ('?' wildcards OK) is in the standard location
              while the new filename ('?' wildcards OK, no drive) is stored
              in the 11 bytes beginning at offset 11h

AL = status

          00h successfully renamed
          FFh no matching files,file is read-only, or new name already exists

subdirectories may be renamed using an extended FCB with the

        appropriate attribute, as may volume labels
      DR DOS checks password attached with AX=4303h before permitting rename
      

AH=0Fh,AH=13h,AX=4303h,AH=56h,INT 2F/AX=1111h

Text based on Ralf Brown Interrupt List Release 61