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If you need to go to more than two scenic spots in one day, you strongly recommend a one-day bus ticket, which can be purchased in the stationmaster's room, the bus, the automatic ticketing machine and other places, which is very convenient.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.付宇锋带着好奇，看了起来。胡钧上前，拍拍她的肩膀，低声道：黎兄弟不必担心。I hope you have adopted it and wish you a happy life ~当然，如果认为网络小说就是人傻钱多，随便写写，就能赚大钱，那么恐怕这些人就要失望了。