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On personal computers, there are five most commonly used operating systems: DOS, Windows, Unix/Xenix, and OS/2. DOS System-In the 17 years since its inception in 1981, DOS has undergone 7 major version upgrades, from version 1.0 to version 7.0 now, continuously improving and perfecting. Windows System-Windows is the first generation of window visual interface published by Microsoft in November 1985, which makes PC enter the so-called GUI (Graphical User Interface) stage. Unix system. Unix systems were initially used on small and medium-sized computers. Unix is a multi-user system, which generally requires more than 8M of memory and a large capacity of hard disk. Linux system-Linux is the largest free software in the world at present. It is an operating system with functions comparable to UNIX and Windows and has complete network functions.两亿年前，天蝎星系第三十二代女元帅阿部多瑞，带领远征军绞杀敌军，因意外而降落地球。阿部多瑞心怀家乡，在漫长等待后，她的精神力进入了十六岁的地球女孩宣墨身上。在地球上生活的日子里，阿部多瑞化身宣墨，体会了普通人类的真实情感，喜怒哀乐，爱恨情仇，尤其是和校草易海蓝之间的情谊，从陌生走向了解，照亮了彼此的青春岁月。宣墨在地球上累积了越来越多的情感，青春、校园、热血、美好与绽放，她都一一体会。与此同时，她还要和林国盛为首的恶势力做斗争，她所做的一切都是为了要努力回到天蝎星系。但是当那天真的到来，她又如何能割舍下那些最真的情感。阿部多瑞最终做出了自己的选择，留在了地球，守护她所爱的一切。独孤求败手指弹动，沟壑之旁出现一行字。云岚，你回头跟她爹和葫芦都说说这事。尹旭点头道：这个是自然的，我越国的资源诸先生尽可以利用，高易已经招募了一批工匠，还需要您来主持。山芋笑道：受啥罪？我反正是没指望的。