Others, such as Google engineer Patrick Brady, say that Android just isn’t Linux in the conventional Unix-like Linux distribution sense; Android does not include the GNU C Library and some of other components typically present in Linux distributions. Ars Technica wrote that “Although Android is constructed on high of the Linux kernel, the platform has very little in widespread with the conventional desktop Linux stack”. Linux distributions are additionally dominant as operating systems for supercomputers. As of November 2017, all supercomputers on the 500 record run some variant of Linux. The collaborative nature of free software growth permits distributed groups to perform language localization of some Linux distributions for use in locales where localizing proprietary systems would not be value-efficient.
- FreeBSD, an indirect descendant of AT&T UNIX through the Berkeley Software Distribution , has a protracted and turbulent historical past relationship again to 1993.
- Community-developed distributions embody Debian, Slackware and Gentoo.
- Launched in late 2003, CentOS was a community project with the targets of rebuilding the source code for Red Hat Enterprise Linux into an installable Linux distribution and to provide well timed security updates for all included software packages.
- Commercial distributions include Fedora by Red Hat, openSUSE from SUSE and Ubuntu from Canonical.
Profession-particular distributions embrace Ubuntu Studio for media creation and DNALinux for bioinformatics. There can also be a Muslim-oriented distribution of the name Sabily that consequently additionally supplies some Islamic tools. Certain organizations use slightly specialized Linux distributions internally, together with GendBuntu utilized by the French National Gendarmerie, Goobuntu used internally by Google, and Astra Linux developed particularly for the Russian military. There are many Linux distributions created with privacy, secrecy, community anonymity and information security in thoughts, together with Tails, Tin Hat Linux and Tinfoil Hat Linux. Lightweight Portable Security is a distribution based mostly on Arch Linux and developed by the United States Department of Defense. Tor-ramdisk is a minimal distribution created solely to host the community anonymity software Tor.
Many quantitative studies of free/open-source software program concentrate on topics together with market share and reliability, with numerous research particularly inspecting Linux. The Linux market is growing quickly, and the revenue of servers, desktops, and packaged software program running Linux was anticipated to exceed $35.7 billion by 2008. Analysts and proponents attribute the relative success of Linux to its safety, reliability, low cost, and freedom from vendor lock-in. There are general-purpose Linux distributions that target a specific viewers, such as users of a particular language or geographical space. Such examples include Ubuntu Kylin for Chinese language customers and BlankOn focused at Indonesians.
Most of the supply code (seventy one%) was written in the C programming language, but many different languages have been used, together with C++, Lisp, assembly language, Perl, Python, Fortran, and various shell scripting languages. Slightly over half of all traces of code had been licensed underneath the GPL. The Linux kernel itself was 2.4 million lines of code, or eight% of the entire. Linux kernel is licensed beneath the GNU General Public License , version 2. The GPL requires that anyone who distributes software program based on supply code under this license must make the originating source code obtainable to the recipient under the same phrases.
GNU Core utilities are a vital part of most distributions. Other parts of the userland, such because the widget toolkit, range with the particular distribution, desktop surroundings, and consumer configuration. They explicitly take no issue over the name Android for the Android OS, which can also be an operating system based on the Linux kernel, as GNU is not part of it. A 2001 examine of Red Hat Linux 7.1 found that this distribution contained 30 million supply traces of code. Using the Constructive Cost Model, the study estimated that this distribution required about eight thousand individual-years of development time. According to the research, if all this software program had been developed by typical proprietary means, it would have value about $1.6 billion to develop in the United States.
Linux Operating System
Although Android relies on a modified version of the Linux kernel, commentators disagree on whether or not the term “Linux distribution” applies to it, and whether or not it is “Linux” according to the frequent utilization of the term. Android is a Linux distribution according to the Linux Foundation, Google’s open-source chief Chris DiBona, and several other journalists.
For instance, the Sinhalese language version of the Knoppix distribution became obtainable considerably before Microsoft translated Windows XP into Sinhalese. In this case the Lanka Linux User Group performed a serious half in developing the localized system by combining the knowledge of college professors, linguists, and native builders. The recognition of Linux on normal desktop computer systems and laptops has been increasing over the years. Most modern distributions embody a graphical person setting, with, as of February 2015, the 2 most popular environments being the KDE Plasma Desktop and Xfce. Most distributions additionally include assist for PHP, Perl, Ruby, Python and different dynamic languages. While not as common, Linux also supports C# , Vala, and Scheme.
A number of Java Virtual Machines and development kits run on Linux, together with the original Sun Microsystems JVM , and IBM’s J2SE RE, in addition to many open-supply tasks like Kaffe and JikesRVM. A frequent function of Unix-like techniques, Linux includes conventional specific-function programming languages focused at scripting, textual content processing and system configuration and management in general. Many programs even have an embedded programming language to help configuring or programming themselves. Linux-primarily based distributions are supposed by builders for interoperability with different operating systems and established computing requirements. Linux techniques adhere to POSIX, SUS, LSB, ISO, and ANSI requirements where possible, although to date only one Linux distribution has been POSIX.1 certified, Linux-FT. On desktop techniques, the most well-liked user interfaces are the GUI shells, packaged along with extensive desktop environments, similar to KDE Plasma, GNOME, MATE, Cinnamon, LXDE, Pantheon and Xfce, though quite a lot of additional consumer interfaces exist. Most well-liked user interfaces are primarily based on the X Window System, often merely referred to as “X”.
Several X display servers exist, with the reference implementation, X.Org Server, being the most well-liked. The person interface, also called the shell, is both a command-line interface , a graphical person interface , or controls attached to the associated hardware, which is common for embedded techniques. For desktop systems, the default person interface is often graphical, though the CLI is often obtainable through terminal emulator windows or on a separate virtual console. Software libraries, which comprise code that can be used by working processes. On Linux systems using ELF-format executable recordsdata, the dynamic linker that manages use of dynamic libraries is called ld-linux.so.