The standard that lets an operating system control power states of a computer's parts, via firmware tables and methods. ACPI means Advanced Configuration and Power Interface.
No statement on what tools can do has been recorded for this skill yet.
The Hub knows of no registered course, programme or certification for this skill yet.
Note from the research register: Firmware courses, reading the ACPI spec, and BIOS or UEFI work.
Register version 1.