The newer Macintosh Operating System (MacOS X) is based on:

The correct answer is C. BSD Unix. macOS X (now macOS) is built on Darwin, an open-source operating system core derived from BSD Unix - specifically a combination of FreeBSD, NetBSD, and the Mach microkernel. Apple acquired NeXT in 1997, and NeXTSTEP (the OS that became macOS X) was already BSD-based. While…

Submitted by salim_om· Apr 18, 2026Computer Forensics in Today's World

Question

Options

AMicrosoft Windows
BOS/2
CBSD Unix
DLinux

How the community answered

(28 responses)

A
7% (2)
B
4% (1)
C
89% (25)

Explanation

macOS X (now macOS) is built on Darwin, an open-source operating system core derived from BSD Unix - specifically a combination of FreeBSD, NetBSD, and the Mach microkernel. Apple acquired NeXT in 1997, and NeXTSTEP (the OS that became macOS X) was already BSD-based. While Linux and BSD Unix both originate from Unix, they are distinct lineages; macOS is BSD-based, not Linux-based. It shares no lineage with Microsoft Windows or IBM's OS/2.

Topics

#Operating Systems#macOS Architecture#BSD Unix#OS Fundamentals

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