KeepAliveHD is a simple program which prevents your hard drive to go into automatic standby mode. It works by writing a small text file to your external drive every few minutes.

NoSleepHD is described as 'Simple program which writes an empty text file every few minutes to your external hard disk drive(s) to keep it from going into auto-sleep mode' and is a prevent sleep mode app in the os & utilities category. There are three alternatives to NoSleepHD for Windows, Linux and Mac. The best NoSleepHD alternative is KeepAliveHD, which is both free and Open Source. Other great apps like NoSleepHD are Prevent Disk Sleep and PingHD.
KeepAliveHD is a simple program which prevents your hard drive to go into automatic standby mode. It works by writing a small text file to your external drive every few minutes.

Your machine's hard disks enter into sleep mode during periods of inactivity to allow for system life-extending operations such as disk cooling. Prevent Disk Sleep circumvents sleep mode enabling quick disk response to any file operations even in the event of an extended...
