Analysis of information sources in references of the Wikipedia article "사유 소프트웨어" in Korean language version.
Proprietary software should be distinguished from commercial software. It is possible for the software to be commercial [...] without being proprietary. The reverse is also possible, for example in binary-only freeware.
It is important to distinguish commercial software from proprietary software. Proprietary software is non-free software, while commercial software is software sold for money.
If you program for Linux, you do need to understand licensing, no matter if you are writing free software or commercial software.
It is important to distinguish commercial software from proprietary software. Proprietary software is non-free software, while commercial software is software sold for money.
