Comandos extraídos de http://www.nirsoft.net/utils/nircmd.html NIRCMD (32 bits) NIRCMD (64 bits) Open the door of J: CD-ROM drive nircmd.exe cdrom open j: Close the door of Y: CD-ROM drive nircmd.exe cdrom close y: Speaks the text currently in the clipboard (For Windows XP and Vista). speak text ~$clipboard$ Increase the system volume by 2000 units (out of 65535) nircmd.exe changesysvolume 2000 Decrease the system volume by 5000 units (out of 65535) nircmd.e...