ction 4Ah - Resize DOS Memory Block</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int21h/4b.htm">3.25 - DOS function 4Bh - Execute Program (sub-function 00h)</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int21h/4c.htm">3.26 - DOS function 4Ch - Terminate Program</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int21h/4e.htm">3.27 - DOS function 4Eh - Find First File</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, 