Analysis of information sources in references of the Wikipedia article "자유 소프트웨어" in Korean language version.
However, as years progressed, and especially in the 1970s and 1980s, software developers increasingly closed off their software source code from users.
The philosophy of open source, with its purely practical values, impedes understanding of the deeper ideas of free software; it brings many people into our community, but does not teach them to defend it.
However, as years progressed, and especially in the 1970s and 1980s, software developers increasingly closed off their software source code from users.
