Operating Systems Crossword

Word processor, spreadsheet, or database program
the person using a computer
the physical components of a computer system
the set of programs providing communications between the application programs and the hardware
the core of an operating system dealing with allocating hardware resources and the application program
programming code that has to be processed by a compiler to make object code for use in a computer
computer program that are made available no cost to the use
part of a system software development where anyone is free to take a copy of source code, extend, and fix bugs in it
version 10 of the Apple McIntosh operating system
a popular multi-user multitasking operating system originally designed for mainframe computer.
a clone of Unix operating system created by Linus Torvalds for use on PC
a complete operating system kit with the utilities and applications you need to make it do useful things