It can improve the power factor of the motor when it is under low load or no load running.

Onthe standby server, which had no direct workload running against it, the cluster replication activity for the 500 user test created a CPU load of 8% and 35% disk activity.

But when you run a script, the kernel doesn't see this as a Linux binary; it sees a script with an interpreter path, and it's no longer running in emulation mode when it tries to load the interpreter.