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.
Refers to any software that is designed for sale to serve a commercial need. Commercial software is usually proprietary software, but in some instances it may be public-domain software. Top 5 Business Software Questions. 1. What is software? 2. What is tax software? 3. What is accounting software? 4. What is billing software? 5. What is email software?