Prevent aggressive Hdd spindown in Laptop battery powered

sudo hdparm -B255 -S0 /dev/sda
With many distro if a laptop will be running on batteries, the settings of the power management utility try to optimize the performance and behavior to increase battery life. Very often happens that the default settings are too aggressive and cause continuous Hdd spindown with the risk of damage. This command turns hdd power management off.

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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