There are many different software that go into the POS system. It would depend what features you are looking for. You do not need to hire contractors to maintain the system, you can train your employees to do so.
Software that is limited to a spesific computer model
Proprietary software is made for internal company use. Off-the-shelf software can be used and purchased by anyone.
Access to the source code of proprietary software is typically restricted to the developers and authorized personnel of the company that owns the software.
No. It is open source software.
I prefer open source software.
Yes it is.
Yes, University of Phoenix is a proprietary education institute. This means that there operation is purely for profit instead of the usual non-profit.
Some examples of proprietary software:WindowsMac OS XVMSAndroidUnixExcelWordAdobe ReaderPhotoshopInternet ExplorerSafarietc.
Proprietary software licenses
Linux is an open source software that has not had a detrimental affect on the marketing of proprietary software. Linux is computer operating system assembled under the model of free and open source software development and distribution.
no....because an open source software is distributed for free
Proprietary data is an internally generated software that contains technical or other types of information controlled by a firm to safeguard its competitive edge. Proprietary data may be protected under copyright, patent or trade secret laws. Propriety software is computer software which is the legal property of one party. The terms of use for other parties is defined by contracts or licensing agreement. Eg. of proprietary software are Microsoft Windows, Real Player and I-tunes.