HAL may refer to any of the following:

  1. Short for hardware abstraction layer, HAL is an operating system programming layer that enables the operating system to operate with a hardware device.

  2. More appropriately known as the “HAL 9000,” HAL is the name of the artificial intelligent computer in the 1968 Science Fiction movie 2001: A Space Odyssey.

  • Missing Windows hal.dll file.

Computer acronyms, Operating system terms, Programming terms

The name “HAL” is each letter before the letters in the word “IBM.”