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Usenet ( / ˈjuːznɛt / ), USENET, [ 1] or, "in full", User's Network, [ 1] is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis conceived the idea in 1979, and it was established in 1980. [ 2]
A Usenet newsgroup is a repository usually within the Usenet system, for messages posted from users in different locations using the Internet. They are discussion groups and are not devoted to publishing news. Newsgroups are technically distinct from, but functionally similar to, discussion forums on the World Wide Web.
He also learned some system calls from Tanenbaum's MINIX text that was a part of the Unix course. As Torvalds wrote in his book Just for Fun, [16] he eventually ended up writing an operating system kernel. On 25 August 1991, he (at age 21) announced this system in another posting to the comp.os.minix newsgroup: [17]
The Tanenbaum–Torvalds debate was a written debate between Andrew S. Tanenbaum and Linus Torvalds, regarding the Linux kernel and kernel architecture in general. Tanenbaum, the creator of Minix, began the debate in 1992 on the Usenet discussion group comp.os.minix, arguing that microkernels are superior to monolithic kernels and therefore Linux was, even in 1992, obsolete. [1]
Linux is the leading operating system on servers (over 96.4% of the top one million web servers' operating systems are Linux), [26] leads other big iron systems such as mainframe computers, and is used on all of the world's 500 fastest supercomputers [d] (as of November 2017, having gradually displaced all competitors). [27] [28] [29]
Debian-based. Debian family tree. Debian (a portmanteau of the names "Deb" and "Ian") Linux is a distribution that emphasizes free software. It supports many hardware platforms. Debian and distributions based on it use the .deb package format [ 2] and the dpkg package manager and its frontends (such as apt or synaptic).
A distributed operating system is system software over a collection of independent software, networked, communicating, and physically separate computational nodes. They handle jobs which are serviced by multiple CPUs. [ 1] Each individual node holds a specific software subset of the global aggregate operating system.
A Linux distribution[ a] (often abbreviated as distro) is an operating system made from a software collection that includes the Linux kernel and often a package management system. They are often obtained from the website of each distribution, which are available for a wide variety of systems ranging from embedded devices (for example, OpenWrt ...