林纳斯·托瓦兹宣布 Linux（1991年）
1991年，芬兰赫尔辛基大学的学生林纳斯·托瓦兹在明尼苏达大学的 comp.os.minix 新闻组中发布了一条历史性消息，宣布他正在开发一个免费的、类 Unix 的操作系统内核，最初只是出于个人兴趣。这一公告标志着 Linux 操作系统的诞生，如今它已成为全球最重要的开源项目之一，支撑着从服务器到智能手机的无数设备。
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