BarOS 9 is the ninth version of BarOS in the Progresh lineup. It is based on the Mac OS 9 series, released from October 1999 to December 2001. According to the about box, this system was released in 1995.

BarOS (Bar System before 1991) is a series of operating systems for the Progresh computer (later named pBar starting from 1999) that was created by Pyrus Pyrifolia Calculators in 1983. It is based on Apple's macOS lineup of operating systems (previously known as Mac OS X, then OS X) and its predecessor, Classic Mac OS.

2025年3月1日 · BarOS 9 is a fictional operating system, depicted in the video game Progressbar95. Windows 10 is an OS released by Microsoft in 2015.

Key changes include: - Provides a new skin: BarOS 9 - Provides a virtual mailbox. Interact with it to get bonus points. - Provides a popup with a shield for PB Defender.

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after a long time of getting all bar os 1-8 systems i got bar os 9i was so excitedi hope i'm lucky to get more!

版权：Bar OS 8©️, 视频播放量 133、弹幕量 0、点赞数 2、投硬币枚数 0、收藏人数 4、转发人数 0, 视频作者 Tcheng108, 作者简介 Hi welcome to Tcheng108’s Bilibili homepage! 歡迎！，相关视频：Progressbar95: 2 新系统 Progressbar server 和 Bar OS 9!，买前必看！盈通RX9070XT亚特兰蒂斯首发开箱！

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2021年3月19日 · I can't wait to be faster than Naruto to install the new update and destroy the progress bar x)

2021年2月26日 · 34 votes, 13 comments. 13K subscribers in the Progressbar95 community. The official Progressbar95 community. Progressbar95 is a nostalgic hypercasual…