OS/2 2.00 build 6.605

OS/2 2.00 build 6.605 is a beta build of OS/2 2.0 from September 1991 that was uploaded to the Internet Archive on 20 April 2022. Prior to the upload, Michal Necasek, the author of the OS/2 Museum blog, wrote a post about this build in 2017, but when he was inquired about the disks, he stated that they were not owned by him and the owner told him that he was not allowed to share the disk images. The reason for its out of sequence build number remains unknown.