Z:gnu-www-ja-15-years-of-free-software--b4b0f3-In 1984, it was impossible to/en

In 1984, it was impossible to use a modern computer without installing a proprietary operating system, which you would have to obtain under a restrictive license. No one was allowed to share software freely with fellow computer users, and hardly anyone could change software to fit his or her own needs. The owners of software had erected walls to divide us from each other.