(computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory

the sixth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers.

the combination of a particular computer and a particular operating system

a program that controls the execution of other programs

In computing, the kernel is a computer program that manages I/O (input/output) requests from software, and translates them into data processing instructions for the central processing unit and other electronic components of a computer.

the branch of engineering science that studies (with the aid of computers) computable processes and structures

an operating system that is on a disk

trademark for a powerful operating system

(trademark) an operating system with a graphical user interface

the sixth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers.

the combination of a particular computer and a particular operating system

a program that controls the execution of other programs

the branch of engineering science that studies (with the aid of computers) computable processes and structures