Mac OS X is the best to use for scientists because many experiments and their subsequent data acquisition scripts are run on clusters of UNIX/Linux machines. Since Mac OS X is based on UNIX, and has UNIX tools such as a bash shell built in (Applications > Utilities > Terminal), the Macintosh operating system is a clear choice for both scientific work (where Linux would suffice as well), but also personal computing, where one may desire a more easy to use, beautifully executed, and a more mainstream operating system than a Linux distribution can provide.
I am a scientist, and a user of the three major OS choices that are normally talked about, Mac OS X on a MacBook Pro, Windows 7 on a ThinkPad, and Fedora (open-sourced Linux OS courtesy of Red Hat) also on that ThinkPad, and I must honestly say that for a single OS that combines work and play into a excellent package, Mac OS X is a clear winner. Many will say that Linux is progressing and becoming more user friendly and cohesive, and that is completely true; however, at this point in time, I would still choose to get another MacBook Pro because the attention to detail is tremendous, and leads to a fantastic computer for one to use. Linux can be made into a very nice operating system, both operationally and aesthetically, but to get it running like a Mac requires much, much work, and if something goes wrong, you really don't have anyone to point fingers to since the operating system is, after all, free. Linux is great for large scale scientific computing, a scalable operating system that can be cloned without licensing issues and distributed across thousands of computers for no cost, at least no cost for the operating system itself. Mac OS X is great for a personal machine, but can also interface with a UNIX/Linux cluster seamlessly if need be.
In addition, as a scientist, I'm also a substantial programmer, and the UNIX tools on Mac OS X makes programming a pleasure (bash shell, X windows system, etc..), though I find it very inefficient and plane annoying on Windows. Linux is also great for programming, but like I've said, the fit and finish of a Mac is leagues above a Linux distribution, and thus is my operating system of choice.
Apple's Macintosh computers use Apple's operating system known as OSX. The current version is OSX 10.8.#. Macintosh computers can also run the Windows and Linux operating systems, but those systems are not included in the purchase of the computer.
online operating system is best.
The best operating system depends on what family of operating system you wish to use. Macintosh requires a lot of resources so that is completely out of the question. The best families to look into is obviously windows, but Linux may also be a better choice. The best windows operating system that has been the most successful for working on lower end computers and surpassing "the old OS's (95, 98, ME)" is Windows XP. XP can run on even the most basic of computers. The best advice to make it run most efficiently is to max out the RAM on the motherboard. Another alternative to a windows operating system is Linux. Pretty much any Linux 'distro' (or distribution of the operating system) can run on a PC platform with even the smallest amount of resources. I know that the recommended system requirement for Dream Linux is a 20 GB hard drive, 733 MHz processor and 128 MB of RAM.
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The Sony Vaio line is always among the best rated. However, as more people switch to Macintosh operating systems, the iMac is becoming an increasingly popular option.
Windows is the most best operating system
the satilite
The best operating system for PCs all depend on what the PC is mainly used for, such as working, gaming, writing, etc. Each purpose has a different answer.
Windows XP is the best choice.
The Punch Card application works best with the Mac operating system, but the application will work with any operating system. The Punch Card application works with the iTunes program.