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description=Data Analysis Framework ;
author=ROOT team;

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Text of the page (random words):
installing root root skip links skip to primary navigation skip to content skip to footer root data analysis framework about releases install manual contribute open projects for developers source toggle search toggle menu toggle menu useful links dependencies nightlies building from source installing root on this page download a pre compiled binary distribution install via a package manager conda snap linux package managers fedora centos arch linux gentoo guix nixos nix nixpkgs ubuntu and debian based distributions slackware macos package managers homebrew macports nix nixpkgs lcg releases on cvmfs standalone root complete environment gentoo prefix on cvmfs run in a docker container run on cern lxplus build from source root is available on linux mac and windows to install it we highly recommend ordered by priority either use a package manager download a pre compiled binary further ways to install root on your computer are listed in the table of content on the right which one is best for you depends on your operating system and usage requirements in all cases make sure to always use the most recent root release possible to get the latest bug fixes features and quick user support the latest stable root release is 6 40 04 about root versioning scheme download a pre compiled binary distribution we distribute pre compiled root for several major linux distributions as well as macos and as a beta windows the steps to install a pre compiled binary are simple install all required dependencies with the system package manager download the release for the desired platform and root version unpack the archive add the root libraries and executables to your environment by sourcing the appropriate thisroot script these setup scripts can be found in the root binary release in the bin directory for example on almalinux9 a user could execute the following bash commands to install root v6 40 04 after installing all required dependencies wget https root cern download root_v6 40 04 linux almalinux9 8 x86_64 gcc11 5 tar gz tar xzvf root_v6 40 04 linux almalinux9 8 x86_64 gcc11 5 tar gz source root bin thisroot sh also available thisroot csh fish bat ps1 to avoid having to source thisroot sh every time one needs to use root it is typical to add the command to bashrc profile or analogous configuration files note however that sourcing thisroot sh might interfere with root versions installed with different methods and on windows for example after the installation open a x86 native tools command prompt for vs 2019 cd to your home directory cd userprofile and call thisroot bat let s assume you installed root in c root then you can start root visual studio 2019 developer command prompt v16 11 3 copyright c 2021 microsoft corporation vcvarsall bat environment initialized for x86 c program files x86 microsoft visual studio 2019 community cd userprofile c users username c root bin thisroot bat c users username root welcome to root 6 40 04 https root cern c 1995 2021 the root team conception r brun f rademakers built for win32 on aug 27 2026 11 34 39 from tags 6 40 04 6 40 04 with msvc 19 29 30133 0 try help demo license credits quit q root 0 if you want to run root from within visual studio code the default terminal is powershell so you need to call c root bin thisroot ps1 instead of c root bin thisroot bat before calling root if you are interested in testing unstable development features you can check out the nightlies install via a package manager supported by the community these packages are not maintained by the root team but by helpful members of the community please go through each package manager s standard channels to report any related issue if you package root and would like to be added to the list below please contact us by clicking the letter icon at the bottom of the page conda for any linux distribution and macos root is available as a conda package to create a new conda environment containing root and activate it execute conda config set channel_priority strict conda create c conda forge name my environment root conda activate my environment setting channel_priority to strict is required to avoid conflicts on some platforms see the relevant conda docs for more information the conda package uses c 17 more instructions about using this package are available in this blog post please report any issues with the conda package here snap on many linux distributions root can be installed via snap for example on ubuntu sudo snap install root framework snap run root framework or if there is no fear of conflicts with other installations root and the output of which root should contain snap note that when installing via snap you shouldn t call thisroot sh as is the usual case when downloading the binaries more details here to use root from python the snap package bundles its own python 3 8 interpreter that knows where to find the root libraries this is done to avoid interference with other system packages you should use pyroot rather than python to make use of the python package with the snap installation pyroot python 3 8 10 default jun 22 2022 20 18 18 gcc 9 4 0 on linux type help copyright credits or license for more information import root the snap package uses c 17 see our dedicated blog post for more information or visit the official root snap package page linux package managers root can be directly installed from the operating system s package manager in the following linux distributions fedora fedora s root package can be installed with dnf install root more typically however users will want more than just the base package the full list of components can be seen at https src fedoraproject org rpms root by clicking in one of the offered versions to install root with support for python and notebooks for example run dnf install root python3 root root notebook centos root is available on centos via epel to install root on centos just run yum install epel release yum install root arch linux arch s root package can be installed with sudo pacman s root gentoo the gentoo package for root is sci physics root it can be installed with emerge sci physics root guix the guix package for root is in guix science channel it can be installed into the user default profile using guix install root building and installing older versions is possible with package transformations guix install root with version root 6 32 02 similarly to obtain latest version or a precise source revision guix install root with latest root guix install root with commit root commit if you encounter any issues feel free to report them to the guix science issue tracker nixos nix nixpkgs the package name for root in nixpkgs is root you can start a temporary shell to try out root as follows nix shell p root root as explained in the nixos wiki the preferred way to use python is to add it to your environment along with any libraries you need nixos also has a python3 root package for that which you can add to a temporary python environment in a nix shell like this nix shell p python3 withpackages pkgs with pkgs root python i c import root a root5 package is provided for the legacy software support if you encounter any issues feel free report them to the nixpkgs issue tracker ubuntu and debian based distributions the root team is working on the release of an official deb package more news on this topic very soon in the meanwhile root is available on ubuntu via conda or our pre compiled binaries slackware root is available for slackware 15 0 via slackbuilds you can install it either by following the official slackbuilds howto or via sbopkg need to be installed in advance sqg p root o root queue create a queue for root with dependencies sbopkg i rootqueue install root with it s dependencies remember that the official recommendation for all slackbuilds including root is that you chose the full install for slackware macos package managers homebrew on mac root is also available as a homebrew formula you can install it with brew install root macports after installing macports the root port can be installed with sudo port install root6 nix nixpkgs the same instructions as for linux apply when running on macos lcg releases on cvmfs standalone root if your platform mounts cvmfs root is directly available via lcg releases root installations with minimal external dependencies are available for fedora ubuntu centos7 and macos at cvmfs sft cern ch lcg app releases root version platform for example to set up root 6 40 04 on a almalinux9 machine just run source cvmfs sft cern ch lcg app releases root 6 40 04 almalinux9 8 x86_64 gcc11 opt bin thisroot sh make sure you use your system s default compiler just like this root build complete environment root geant4 and many other packages with all their dependencies are available as lcg views cvmfs sft cern ch lcg views lcg_ version platform lcg views are available for centos 7 rhel 9 which also covers the binary compatible almalinux 9 and the latest macos and ubuntu releases for example on cern lxplus almalinux 9 you can set up a full environment that contains root 6 30 02 with source cvmfs sft cern ch lcg views lcg_105 x86_64 el9 gcc11 opt setup sh to check what root version is contained in an lcg release you can visit lcginfo cern ch gentoo prefix on cvmfs root is also experimentally available in a gentoo prefix installation inside the contrib area of the sft cvmfs repository to use it from there run cvmfs sft cern ch lcg contrib gentoo linux x86_64 startprefix this will drop you into a new shell where all software from the prefix is available run in a docker container root docker containers for several linux flavours are available at root s official dockerhub for example to try out the latest root release just run the following command in your terminal after starting docker engine docker run it rootproject root latest for more instructions on running root s docker image visit the get started section of root s official dockerhub run on cern lxplus users with a cern computing account can simply connect to lxplus cern ch via ssh and start root the latest stable version is installed as a normal system package note that certain features e g multi threading capabilities are not available on lxplus cern ch or equivalently lxplus7 cern ch due to incompatible versions of certain root dependencies on centos7 you can use lxplus8 cern ch to get access to centos8 where this limitation is not present build from source in case no other installation method is available or if you want full control over the options root is built with it is possible to compile root from source see building root from source for detailed instructions as a quick summary after installing all required dependencies root can be compiled with these commands on most unix like systems the latest stable branch gets updated automatically on each release you may update your local copy by issuing a git pull command from within root_src git clone branch latest stable depth 1 https github com root project root git root_src mkdir root_build root_install cd root_build cmake dcmake_install_prefix root_install root_src check cmake configuration output for warnings or errors cmake build install j4 if you have 4 cores available for compilation source root_install bin thisroot sh or thisroot fish csh and similarly on windows inside a x86 native tools command prompt for vs 2019 root can be compiled with these commands rem the latest stable branch gets updated automatically on each release rem you may update your local copy by issuing a git pull command from within root_src c users username git clone branch latest stable depth 1 https github com root project root git root_src c users username mkdir root_build root_install cd root_build c users username cmake g visual studio 16 2019 a win32 thost x64 dcmake _verbose_makefile on dcmake _install_prefix root_install root_src c users username cmake build config release target install c users username root_install bin thisroot bat if running on windows from powershell the default on visual studio code call instead thisroot ps1 enter your search term forum space bug space mail space github space feed copyright root team 2026 all rights reserved view edit this page on github