WaterOS

WaterOS is an operating system developed by Sony, a heavy OS that weighs at least 25 GB for the latest version, 8.0, it contains similar functionality than the Microsoft OS: Windows 10.

The first release on October 23, 2002

Development
It development starts on 1996, on this year the Sony development team is planning a new operating system to replace to JaguarOS, this operating system will based on a new kernel, new features and a operating system made since zero. (The JaguarOS kernel is unestable because is based on TigerDOS) Originally the project was called "Rainbow". But because development problems, the project on december 1998.

On 1999 the development on a new project called "Water" was started, this new project of operating system will based on the "Rainbow" cancelled project. On 2001 with the release of WaterOS Alpha, Sony announces that WaterOS will the official and commercial name of Project "Water".

Versions
Begin to end of support
 * Project "Rainbow" (1996-1998)
 * Project "Water" (1999-2001)
 * WaterOS Alpha (2001)
 * WaterOS Beta (2002)
 * WaterOS 1.0 (2002-2014)
 * WaterOS 1.1 (2004-2014)
 * WaterOS 2.0 (2004-2017)
 * WaterOS 2.1 (2005-2017)
 * WaterOS 3 (2007-2017)
 * WaterOS 4 (2013-2022)
 * WaterOS 5 (2015-2022)
 * WaterOS 6 (2017-2022)
 * WaterOS 7 (2018-2023)
 * WaterOS 8 (2020-2026)
 * WaterOS 9 (2021-2026)
 * WaterOS Gamma (2022-2026)
 * WaterOS Delta (2023-2030)
 * WaterOS Epsilon (2024-2030)
 * WaterOS Wau (2025-2032)
 * WaterOS Zeta (2026-2030)
 * WaterOS Eta (2028-2035)
 * WaterOS Theta (2029-2031)/
 * WaterOS Iota (2031-2044)
 * WaterOS X (2045-2047)