Member Avatar for alaa sam

hi everyone
is there's any different between linux and unix ???

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Short, practical answer: “UNIX” (capitalized) is a registered brand and a family of operating‑system standards; “Linux” is the kernel used inside many operating systems people call “Linux.” ’s link is a good intro, but for precision the Single UNIX Specification and The Open Group govern what can be called UNIX, while the GNU project explains how the Linux kernel plus a userland (often GNU tools) becomes a complete OS (commonly called GNU/Linux). (gnu.org)

A few clarifications to : Linux itself is the kernel and is distributed under the GNU GPLv2 license (this affects redistribution and module interactions). When people say “Linux” they usually mean a distribution (kernel + userland + packages). “UNIX” today is a standard you buy into or certify for — several commercial OSes are officially registered as UNIX products. (docs.kernel.org)

On practical differences that matter day‑to‑day: Linux distributions support a wide range of filesystems (ext4, btrfs, XFS, etc.) and hardware, and have large community/ecosystem support; vendor UNIX platforms use their own stacks and filesystems and are chosen for certified vendor support, specialised enterprise workloads or legacy compatibility. Also remember there are open‑source, Unix‑like projects (FreeBSD, illumos derivatives) that are not the same as a certified “UNIX” but are perfectly usable for servers and appliances. (kernel.org)

Takeaway: pick a Linux distro for modern, community‑driven, broad‑hardware use and rapid innovation; pick a certified UNIX when you need vendor guarantees, long‑term support and ISV certification. ’s pointer is useful for background and ’s post touches on real differences — the points above fill in the precise, lasting distinctions. (linux.com)

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Member Avatar for pty

This should help explain the differences between UNIX and Linux.

commented: thanks alot +0
Member Avatar for alaa sam

thank you that really helped

Member Avatar for thegeex

Both are different operating systems:
1. Linux is just a kernel. Linux includes GUI system + GNU utilities +installation
& management tools + GNU c/c++ Compilers + Editors (vi) + and various applications.
UNIX is a complete operating system as everything come from a single source.
2. Linux is free version But Unix is not.
3. Linux use ext3 or ext4 as file systems.
UNIX have various file systems such as jfs, gpfs (AIX), jfs,etc.

commented: That was a good explanation +0
Member Avatar for alaa sam

thanks for your helo thegeex

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