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Linux's 'everything is a file' idea is 50 years old, and it still explains ...
Linux's 'everything is a file' idea is 50 years old, and it still explains why the OS feels so different
xda-developers.com/linuxs-everything-is-a-file-idea-is-50-years-old-and-it-still-explains-why-the-os-feels-so-different/
Key FactsA Unix principle still shapes Linux
Oct 25, 2026 · Reading time: ~30 sec.
Summary created with AI assistance · Source: xda-developers.com
  • Unix began at Bell Labs in 1969; Ritchie and Thompson’s 1974 work distinguished three file types, including device files.

  • On Linux, /dev represents hardware as files: SATA drives appear as /dev/sda, while NVMe drives include names such as /dev/nvme0n1.

  • The virtual filesystems /proc and /sys expose kernel information; battery charge, for example, is available there as a percentage.

  • Unix gained pipes in early 1973, forwarding program output; PowerShell instead passes structured, .NET-based data between commands.
Microsoft's commitment to developers has barely paid off so far
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winfuture.de/news,161439.html
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4 operating systems that owe nothing to Windows, Linux, or Unix: These operating systems are incredibly unique and pull as little as possible from the big ...
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4 operating systems that owe nothing to Windows, Linux, or Unix
4 operating systems that owe nothing to Windows, Linux, or Unix: These operating systems are incredibly unique and pull as little as possible from the big ...
xda-developers.com/four-operating-systems-that-owe-nothing-to-windows-linux-or-unix/
Who owns Linux? Legal battle nears its end after 28 years
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4 operating systems that owe nothing to Windows, Linux, or Unix
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xda-developers.com/four-operating-systems-that-owe-nothing-to-windows-linux-or-unix/
Key FactsFour operating systems with independent roots
Aug 9, 2026 · Reading time: ~30 sec.
Summary created with AI assistance · Source: xda-developers.com
  • Haiku emerged from volunteers’ continued development of BeOS, uses a NewOS kernel, and runs on conventional x86 hardware in current versions.

  • The three surviving Amiga branches are AROS, MorphOS, and AmigaOS: AROS is open source and runs on x86, MorphOS was last updated in May 2026, and AmigaOS 4.1 is commercially available for PowerPC.

  • KolibriOS, forked from MenuetOS in 2004, is an open-source 32-bit variant whose graphical desktop, multitasking, TCP/IP stack, and applications fit within 1.44MB.

  • TempleOS is an unnetworked x86-64 system without separation between kernel and user code or memory protection; Terry A. Davis developed it alone in HolyC and said that religion partly influenced its design decisions.
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5 Linux commands you should never run (and why)
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Mastering Linux System Administration ($30 Value) Free Download Ends Today
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FAQ: Shell helper
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