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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.Having certain interpersonal relationships;《丈母娘来了》根据家庭情感剧作家阑珊的《丈母娘来了》小说改编。探讨“80后婚房之痛”的电视剧《丈母娘来了》是热播剧《婆婆来了》的续篇，以“刚需是否让丈母娘成为房价推手”为切入点，将镜头对准那些饱尝婚房之痛的80后。该剧讲述的是“丈母娘”对“未来女婿”在房子、车子、票子等方面有着严格要求，从而引发出一系列啼笑皆非又让人心酸的故事。Micheal（任达华 饰）是职业扒手，功夫了得，却为人正直，只肯偷不义之财和游客的一些钱物。玲（周嘉玲 饰）是Micheal的女友，十分钟情于他，但每次提起结婚Micheal都总是轻轻带过。年华渐逝的玲这天告诉Micheal如果他不答应结婚的话她就和别人结婚，Micheal以为她开玩笑没有理会。板栗惊喜地拍手道：那晚辈这趟来可是大赚了。