Disambiguation

HAL may refer to:

• Hardware abstraction layer (Abstraction layer), a layer of software that hides hardware differences from higher level programs
• HAL (software), an implementation of a hardware abstraction layer for Unix-like systems
• HAL/S, the computer language used to program the Space Shuttle's computers
• Hypertext Application Language, a standard convention for defining hypermedia such as links to external resources within JSON or XML code

• HAL 9000, a fictional computer in the Space Odyssey series