问题：截止今天（2024-3-27），全球一共有多少操作系统？

答案：

AIX, Android, Android TV, Amazon Linux, AmigaOS, Armadillo OS, tvOS, Arch Linux, ASPLinux, BackTrack, Bada, BeOS, BlackBerry OS, BlackBerry Tablet OS, Bliss OS, Brew, BrightSignOS, Caixa Mágica, CentOS, CentOS Stream, ClearOS Mobile, Chrome OS, Chromium OS, China OS, CyanogenMod, Debian, Deepin, DragonFly, DVKBuntu, Fedora, Fenix, Firefox OS, Fire OS, Foresight Linux, Freebox, FreeBSD, FRITZ!OS, FydeOS, Fuchsia, Gentoo, GridOS, Google TV, HP-UX, Haiku OS, iPadOS, HarmonyOS, HasCodingOS, HELIX OS, IRIX, Inferno, Java ME, KaiOS, Kali, Kanotix, Knoppix, KreaTV, Kubuntu, GNU/Linux, LindowsOS, Linspire, Lineage OS, Liri OS, Lubuntu, Lumin OS, LuneOS, VectorLinux, Mac, Maemo, Mageia, Mandriva, MeeGo, MocorDroid, moonOS, Mint, MildWild, MorphOS, NetBSD, MTK / Nucleus, MRE, Nintendo, Nintendo Mobile, Nova, OS/2, OSF1, OpenBSD, OpenWrt, Opera TV, Oracle Linux, Ordissimo, Pardus, PCLinuxOS, PICO OS, Plasma Mobile, PlayStation Portable, PlayStation, PureOS, Raspberry Pi OS, Raspbian, Red Hat, RedOS, Revenge OS, RISC OS, Roku OS, Rosa, RouterOS, Remix OS, Resurrection Remix OS, REX, RazoDroiD, Sabayon, SUSE, Sailfish OS, SeewoOS, SerenityOS, Sirin OS, Slackware, Solaris, Syllable, Symbian, Symbian OS, Symbian OS Series 40, Symbian OS Series 60, Symbian^3, TencentOS, ThreadX, Tizen, TiVo OS, TmaxOS, Ubuntu, UOS, VIDAA, watchOS, Wear OS, WebTV, Whale OS, Windows, Windows CE, Windows IoT, Windows Mobile, Windows Phone, Windows RT, Xbox, Xubuntu, YunOS, Zenwalk, ZorinOS, iOS, palmOS, Webian, webOS