hdparm:tldr:f5cf4

hdparm: Set the Advanced Power Management value (values 1-127 permit spin-down, and values 128-254 do not).

hdparm

$ sudo hdparm -B ${1} /dev/${device}

try on your machine

Sure!

The command "sudo hdparm -B ${1} /dev/${device}" is a combination of the "hdparm" utility and some command line arguments.

Here is a breakdown of each component:

"sudo": This is a command used in Unix-like operating systems to run a command with administrative or superuser privileges. It allows the user to execute commands as another user, typically the superuser or root.
"hdparm": This is a command-line utility in Linux and Unix-like systems that allows users to interact with and control various hard disk drive parameters.
"-B ${1}": The "-B" option in hdparm is used to set the Advanced Power Management (APM) level of the hard disk drive. "${1}" represents the first command-line argument passed to the script or function in which this command is used. This argument is expected to be a number representing the desired APM level.
"/dev/${device}": This is the device file of the hard disk drive that you want to modify the APM level of. "${device}" represents the second command-line argument passed to the script or function where this command is used. This argument is expected to be the name of the device without the "/dev/" prefix.

Putting it all together, this command allows you to run hdparm with administrative privileges to change the Advanced Power Management (APM) level of a specified hard disk drive device.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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