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update is used to resynchronize the package index files from their sources. The lists of available packages are fetched from the location(s) specified in /etc/apt/sources.list. For example, when using a Debian archive, this command retrieves and scans the Packages.gz files, so that information about new and updated packages is available.
Ubuntu releases are also given code names, using an adjective and an animal with the same first letter – an alliteration, e.g., "Dapper Drake".With the exception of the first two releases, code names are in alphabetical order, and except for the first three releases, the first letters are sequential, allowing a quick determination of which release is newer.
dpkg: Originally used by Debian and now by Ubuntu. Uses the .deb format and was the first to have a widely known dependency resolution tool, APT. The ncurses-based front-end for APT, aptitude, is also a popular package manager for Debian-based systems; Entropy: Used by and created for Sabayon Linux.
An online edition of the Ubuntu Software Center was released, the Ubuntu Apps Directory. The Web store shows the same content as the Software Center application, with a download button that opens the application if running Ubuntu or a link to download the Ubuntu operating system installer if running a different operating system. [9]
The application was originally called Update Manager; it was announced in May 2012 that starting with Ubuntu 12.10 the name would change to Software Updater to better describe its functions. [2] Technically the rename only affected the GUI ; the name of the APT package containing the application, the executable file itself, and internally the ...
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.
This release also marked a move away from Ubuntu as the underlying operating system to Debian 6.0 (a.k.a. Squeeze). This move was cited as being for various reasons, particularly security. [17] Early June 2013 saw a significant change of tack with the version 12.1 update release; built with the new "TKLDev" open build infrastructure.
These images were based on Ubuntu 15.10, but in April 2016, upgrades to Ubuntu 16.04, which would eventually become the base for the first general release, which happened on 8 June 2016. [ 28 ] [ 2 ] KDE neon announced in January 2017 that the distribution will be switching its installer from Ubiquity to Calamares due to Ubiquity "not having ...