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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.该剧讲述了大学校园中四个年轻人友情建立、爱情萌芽的故事。池早早（卓文萱饰）和两位高中好友在三年的努力下终于考取了各自理想的大学。大学开学第一天，因为机缘巧合，早早和自己暗恋多年的校园优秀生——欧皓辰（孙艺洲饰）告白成为了学校同学讨论的对象。但是酷酷的欧皓辰对这个迷糊的女生非常反感，这让早早十分苦恼。同时皓辰好友韩飞（王传君饰）出现，多解尴尬局面，两人关系逐渐拉近。加上完美女生上官怡（赵霁饰），四人共同经历了校园迎新会、校园舞会、社团等一系列活动。毕业前的实习让大家认清了各自的情感与责任，最终，皓辰选择和早早一起，韩飞从事自己的家族事业，选择去做无国界支援，而上官怡则是出国。最终，上官怡和韩飞也在一起了!自此后，郑氏心里就存了些事，对远亲近友、乡亲邻里的儿女都颇为留心，为的是以备不时只需。一个苍老的身影也被汉军护卫逼住，罗七见状一剑逼开灌婴冲过来拉住老者，说道：君上，失败了，我们走。赵文华再看左右，都指挥使已经随胡宗宪去调兵，他只好拉着戚继光前去：那辛苦戚将军了。IOC mode:　　身在美国宾夕法尼亚州的藏獒专家卓木强巴突然收到一个陌生人送来的信封，装着两张照片，惊现的远古神兽，促使卓木强巴及导师、世界犬类学专家方新教授亲赴西藏，发现照片上的动物竟然和帕巴拉神庙有关……