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J
Johnbarrow
John from Bartow
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TECHNOLOGY
Operating Systems
macOS
Beneath its polished surface, macOS runs on a powerful Unix foundation that shapes its reliability and security
7 days ago
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What is a key reason macOS is considered reliable and secure compared to some other desktop operating systems?
Because it uses a completely proprietary kernel developed solely by Apple without any open-source components
Because it is just a graphical interface layered over Windows
Because it is built on a Unix-like foundation derived from OPENSTEP, Mach, and FreeBSD
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steve1112
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TECHNOLOGY
Operating Systems
macOS
The Unix foundation of macOS powers millions of Macs with unmatched stability and security
9 Feb 2026
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What key factor contributes to macOS's position as the second most widely used desktop OS?
Its open-source nature allowing widespread customization
Its Unix-based core combined with Apple's optimized hardware-software integration
Its compatibility with all Windows software without emulation
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