The document provides a summary of the 31-year history of Linux from 1991 to 2022. It begins with Linus Torvalds announcing and releasing the initial Linux kernel in 1991. Key events include it becoming open source in 1992, the first Linux distributions in the early 1990s, and the growth of desktop Linux with projects like GNOME and KDE in the late 1990s. The document then covers increased adoption in Indonesia and events like the Indonesia Go Open Source initiative in the 2000s. It concludes with current trends like open source adoption concerns and most used open source technologies.