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Ubuntu (/ ʊ ˈ b ʊ n t uː / ⓘ uu-BUUN-too) [8] is a Linux distribution derived from Debian and composed mostly of free and open-source software. [9] [10] [11] Ubuntu is officially released in multiple editions: Desktop, [12] Server, [13] and Core [14] for Internet of things devices [15] and robots.
Ubuntu adopts dash as its default shell. 2008 () POSIX-2008 is released by the IEEE. "This standard defines a standard source level interface to the shell and utility functionality required by application programs, including shell scripts." [53] 2009 () February 20, 2009 (): Bash 4.0 is released. [58] Its license is GPL-3.0-or-later.
Reviewer Joey Sneddon of OMG Ubuntu was more positive about Unity in his review of Ubuntu 11.04, encouraging users, "Sure it's different—but different doesn't mean bad; the best thing to do is to give it a chance." He concluded that Unity on the desktop makes "better use of screen space, intuitive interface layouts and, most importantly ...
Pop!_OS is based upon Ubuntu and its release cycle is the same as Ubuntu, [46] with new releases every six months in April and October. Long-term support releases are made every two years, in April of even-numbered years. Each non-LTS release is supported for three months after the release of the next version, and LTS releases are supported for ...
Wayland is a communication protocol that specifies the communication between a display server and its clients, as well as a C library implementation of that protocol. [9] A display server using the Wayland protocol is called a Wayland compositor, because it additionally performs the task of a compositing window manager.
A proxy server may reside on the user's local computer, or at any point between the user's computer and destination servers on the Internet.A proxy server that passes unmodified requests and responses is usually called a gateway or sometimes a tunneling proxy.
Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not controlled by the entity aiming to implement the VPN) or need to be isolated (thus making the lower network invisible or not directly usable).
Graphical user interfaces exist for sudo – notably gksudo – but are deprecated in Debian and no longer included in Ubuntu. [ 33 ] [ 34 ] Other user interfaces are not directly built on sudo, but provide similar temporary privilege elevation for administrative purposes, such as pkexec in Unix-like operating systems, User Account Control in ...