Web site: Origin: Category: Desktop, Others Desktop environment: CLI Architecture: x86 Based on: Independent Wikipedia: Media: Install The last version | Released: 1.01 | 2001 PetrOS – a 32-bit operating system for the PC platform, by Trumpet Software International Pty Ltd. It a small, modular, easy to use, and not resource hungry. PETROS(r) has … Read morePetrOS