Virus.DOS.Espacio is a DOS-based computer virus that infects executable files. This virus is known for its payload, which displays the word "Espacio" on the screen when activated. While not causing significant harm to the system, Virus.DOS.Espacio can disrupt normal operations by infecting and modifying executable files. It primarily spreads through infected files and floppy disks, a common method of propagation during its time. The Espacio virus serves as an example of early malware that used simple yet noticeable effects to signal its presence on the infected machine.