Select your Operating System below: 1  OSX 10.11 and newer. 2  OSX 10.10 and older. 3  Click on the Apple logo in the upper-left corner of your screen.  Click on the Apple logo in the upper-left corner of your screen.
Part of the Open source glossary: Also see open and Open Source. In information technology, proprietary describes a technology or product that is owned exclusively by a single company that carefully guards knowledge about the technology or the product's inner workings.n information technology, proprietary describes a technology or product that is owned exclusively by a single company that carefully guards knowledge about the technology or the product's inner workings.
Commercial software is software being developed by a business which aims to make money from the use of the software. In most of cases it is a demonstrational copy released by the manufacturer to entice customers to buy their product. A commercial demo will usually only work for a short period of time and/or have certain functions disabled. Spyware: Spyware is software that hides itself somewhere on your computer monitoring the behaviour of your activity on the web and passing this information on to advertisers. Spyware is often installed onto your PC when you download and install other software published as Freeware or as Adware.