GO TO MsDos:

C:\> CD\ 

C:\> MD TEST

C:\> CD TEST

C:\TEST> COPY CON COM.COM

 ...HOLD ON TO THE KEYS <CTRL> + <Z> TO SAVE COM.COM

C:\TEST> TYPE COM.COM

C:\TEST> COM

...ANY ASCII CODES PRESENT INSIDE COM.COM FILE REVEALS THAT A VIRUS IS INSIDE THE COMPUTER MEMORY...

C:\ TEST> COPY CON EXE.EXE

 ...HOLD ON TO THE KEY <CTRL> + <Z> TO SAVE THE FILE EXE.EXE...

C:\TEST> TYPE EXE.EXE

C:\TEST> EXE

...ANY ASCII CODES PRESENTS INSIDE THE EXE.EXE FILE REVEALS THAT A VIRUS IS INSIDE THE COMPUTER MEMORY....