program kernel
21GNU Hurd — Hurd redirects here. For other uses, see Hurd (disambiguation). GNU Hurd HURD Live CD Company&# …
22DNIX — Company / developer Dataindustrier AB OS family Unix like Working state Historic Source model Closed source Latest stable release 5.4 …
23Windows 9x — Windows 4.x redirects here. For the operating system in the NT family, see Windows NT 4.0. Windows 9x Screenshot of Windows 95, the first version of Windows in the 9x series Company / developer …
24DOS — This article is about the family of operating systems for IBM PC compatible computers. For other uses, see DOS (disambiguation). FreeDOS screenshot showing the command line interface, directory structure and version information. DOS, short for… …
25Unix — (officially trademarked as UNIX, sometimes also written as Unix with small caps) is a computer operating system originally developed in 1969 by a group of AT T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Douglas McIlroy, and… …
26NX bit — The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (or code) or for storage of data, a feature normally only found in Harvard architecture… …
27List of Microsoft Windows components — The following is a list of Microsoft Windows components. Contents 1 Configuration and maintenance 2 User interface 3 Applications and utilities 4 Windows Server components …
28AmigaOS — Infobox OS name = AmigaOS logo = caption = A screenshot of AmigaOS 4.0 family = Amiga OS developer = Commodore International (1.0 3.1) Haage Partner (3.5 3.9) Hyperion Entertainment (4.0) source model = Closed source working state = Current… …
29System call — In computing, a system call is the mechanism used by an application program to request service from the kernel. Background A system call is a request made by any arbitrary program to the kernel for performing tasks picked from a predefined set… …
30GoboLinux — Infobox OS name = GoboLinux caption = GoboLinux website = http://gobolinux.org/ developer = family = Linux source model = Free Software released = latest release version = 014.01 latest release date = release date|2008|03|30 latest test version …
