Unix is NOT open source, it is proprietary copyrighted code owned by AT&T and you must purchase a license to use it, as you do on Windows and Mac OS X.
However both Linux and GNU are open source OSs with equivalent functionality to Unix.
LINUX and Unix OS is open-source operating system.....! but Windows version OS is not the open-source operating system....!
Unix and Linux
There are several open-source operating systems, most of which appear to be clones of Unix. Examples include FreeBSD, Linux, Minix.
NetBSD is a free, open-source, unix like, multi-platform operating system descended from Berkeley Software Distribution (BSD) and based on 4.4BSD Lite.
No. Licensed Unix implementations are a proprietary flexible general purpose operating system originally marketed for minicomputers and mid-range computers to support multiple users and tasks. When Personal Computers became available, versions of Unix were created for them. Unix was also implemented for the IBM mainframe. This is not the same as Linux which is an open source free system with many of the same capabilities and look & feel of unix but without the licensing requirement of unix.
LINUX and Unix OS is open-source operating system.....! but Windows version OS is not the open-source operating system....!
Unix and Linux
If I understand your question....vague as it is....yes, the Unix OS source code is free and open source.
No, HP-UX is the commercial distribution of Unix from HP. It is proprietary and not open source.
There are several open-source operating systems, most of which appear to be clones of Unix. Examples include FreeBSD, Linux, Minix.
Linux or Unix are open source and some are versions are free and others aren't. Unix is based off of Linux, and both have many different variations. One popular Unix system is Ubuntu
OpenBSD is a free an open-source Unix-like operating system, with a primary focus on security.
Android is classified as a Unix based, open-source mobile operating system for phones and tablets.
There are different types of operating systems. The most popular ones are Microsoft Windows and Linux which is an open- source operating system.
Currently, The Open Group owns the "Unix" trademark. No, Unix branded operating systems are proprietary and copyrighted. They are not free or open systems software. From its start until 1993, Unix distributions included all their source code. Programmers have made many free and open Unix-like operating systems, including Linux, NetBSD, FreeBSD, OpenBSD, Dragonfly BSD, Mach, OpenSolaris, etc.
Unix is not open source, it is proprietary. Linux is the open-source version of Unix.
NetBSD is a free, open-source, unix like, multi-platform operating system descended from Berkeley Software Distribution (BSD) and based on 4.4BSD Lite.