Dictionary: Operating Systems

  • Android - A modified version of the Linux kernel and other open-source software, designed primarily for touchscreen-based mobile devices such as smartphones and tablet computers.
  • CentOS - A discontinued Linux distribution that provided a free and open-source community-supported computing platform, functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).
  • ChromeOS - An operating system designed and developed by Google.
  • Debian - One of the oldest operating systems based on the Linux kernel, and is the basis of many other Linux distributions.
  • FreeBSD - A free-software Unix-like operating system descended from the Berkeley Software Distribution (BSD).
  • HarmonyOS - A distributed operating system developed by Huawei for smartphones, tablets, smart TVs, smart watches, personal computers and other smart devices.
  • iOS - A mobile operating system created and developed by Apple for its iPhone line of smartphones.
  • iPadOS - A mobile operating system developed by Apple for its iPad line of tablet computers.
  • Linux - A family of open source Unix-like operating systems based on the Linux kernel first released on September 17, 1991, by Linus Torvalds.
  • macOS - A proprietary Unix-like operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by Apple Inc. since 2001.
  • MS-DOS - An operating system for x86-based personal computers mostly developed by Microsoft.
  • OpenBSD - A security-focused, free software, Unix-like operating system based on the Berkeley Software Distribution (BSD).
  • openSUSE [SUSE] - A free and open-source Linux distribution developed by the openSUSE Project.
  • RHEL - A commercial Linux distribution developed by Red Hat.
  • Ubuntu - A Linux distribution based on Debian and composed primarily of free and open-source software.
  • Unix - A family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969[1] at the Bell Labs.
  • Windows - A product line of proprietary graphical operating systems developed and marketed by Microsoft.