The correct answer is: B. opensolaris
OpenSolaris is a free and open-source Unix operating system based on the Solaris operating system developed by Sun Microsystems. It was released on November 21, 2005, as a result of Sun’s decision to release the Solaris source code under the CDDL.
OpenSolaris is a complete operating system that can be used to run a wide variety of applications, including web servers, database servers, and desktop computers. It is also a good choice for running Hadoop clusters, as it provides a number of features that are well-suited for this purpose, such as a high-performance file system and a scalable networking stack.
The other options are incorrect because they are not operating systems.
- A. openoffice.org is a free and open-source office productivity suite that includes applications such as a word processor, spreadsheet, and presentation program.
- C. gnu is a collection of free software tools and utilities that are often used in conjunction with the Linux operating system.
- D. linux is a free and open-source Unix-like operating system that is widely used on servers, personal computers, and mobile devices.