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root - C++ data analysis framework and interpreter from CERN.

The ROOT system provides a set of object oriented frameworks with all the functionality needed to handle and analyze large amounts of data in a very efficient way. Having the data defined as a set of objects, specialized storage methods are used to get direct access to the separate attributes of the selected objects, without having to touch the bulk of the data. Included are histogramming methods in an arbitrary number of dimensions, curve fitting, function evaluation, minimization, graphics and visualization classes to allow the easy setup of an analysis system that can query and process the data interactively or in batch mode, as well as a general parallel processing framework, PROOF, that can considerably speed up an analysis.

Thanks to the built-in C++ interpreter cling, the command, the scripting and the programming language are all C++. The interpreter allows for fast prototyping of the macros since it removes the, time consuming, compile/link cycle. It also provides a good environment to learn C++. If more performance is needed the interactively developed macros can be compiled using a C++ compiler via a machine independent transparent compiler interface called ACliC.

The system has been designed in such a way that it can query its databases in parallel on clusters of workstations or many-core machines. ROOT is an open system that can be dynamically extended by linking external libraries. This makes ROOT a premier platform on which to build data acquisition, simulation and data analysis systems.
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ROOT icon


Numerical data analysis framework

Defines mimetypes

application/x-root icon


ROOT data file

Manual pages


g2root - convert GEANT geometry files to ROOT files


g2rootold - convert GEANT geometry files to ROOT files


genmap - ROOT utility to create class to library maps


h2root - convert PAW HBOOK files to ROOT files


usage: hadd [-a A] [-k K] [-T T] [-O O] [-v V] [-j J] [-dbg DBG] [-d D] [-n N]
[-cachesize CACHESIZE]
[-experimental-io-features EXPERIMENTAL_IO_FEATURES] [-f F]
[-fk FK] [-ff FF] [-f0 F0] [-f6 F6]


usage: hist2workspace [-h] [-standard_form STANDARD_FORM]
[-number_counting_form NUMBER_COUNTING_FORM]


memprobe - ROOT utility to examine memory usage


prepareHistFactory - create a working directory for the HistFactory tools


proofserv - PROOF (The Parallel ROOT Facility)


proofserva - PROOF (The Parallel ROOT Facility)


rmkdepend - create dependencies in makefiles (ROOT Version)


root - Interpreter of C++ for the ROOT framework


root-config - ROOT utility for your Makefiles


root.exe - ROOT interpreter backend


roota - Interpreter of C++ for the ROOT framework


rootn.exe - ROOT interpreter memory managed backend


roots.exe - Remote ROOT interpreter server


ssh2rpd - ROOT utility to help in authentication


system.rootdaemonrc, .rootdaemonrc - access control directives for ROOT daemons


xpdtest - xproofd test utility


xproofd - PROOF (The Parallel ROOT Facility) xrootd version

Latest updates

Fedora icon

Fedora rawhide development/Everything-os: Updated from 6.18.04-6.fc33 to 6.20.02-1.fc33

Mar 24
  • Update to 6.20.02
  • Drop patches accepted upstream
    • root-dont-download-input-file-if-it-already-exists.patch
    • root-fix-plugin-definition.patch
    • root-man-install.patch
    • root-pretty-printers.patch
    • root-python3.patch
    • root-stress-aarch64-ppc64le.patch
  • Drop patches no longer relevant due to changes to the code
    • root-missing-include-string.patch
    • root-static-constexpr.patch
  • Add workaround for PyROOT issues on ppc64le in EPEL 7
    • root-epel7-ppc64le-pyroot.patch (patch conditionally applied)
  • Fix path to moved data file in tutorial
    • root-moved-file.patch
  • Split the root-roofit subpackage into four different packages
    • root-roofit, root-roofit-core, root-roofit-more and root-roostats
    • The root-roofit-more library splits out the part of roofit that depends on the root-mathmore package
  • New subpackage: root-histv7
Arch icon

Arch rolling community/os: Updated from 6.20.00-3 to 6.20.02-1

Mar 19
Arch icon

Arch rolling community/os: Updated from 6.20.00-2 to 6.20.00-3

Mar 19
Fedora icon

Fedora rawhide development/Everything-os: Updated from 6.18.04-5.fc33 to 6.18.04-6.fc33

Mar 16
  • Build for 32 bit ARM again - gcc-10.0.1-0.9 fixes the problem
Arch icon

Arch rolling community-testing/os: Version 6.20.00-1 removed

Mar 04
Arch icon

Arch rolling community/os: Updated from 6.18.04-9 to 6.20.00-2

Mar 04
Arch icon

Arch rolling community-testing/os: Version 6.20.00-1 introduced

Mar 03
Fedora icon

Fedora rawhide development/Everything-os: Updated from 6.18.04-3.fc32 to 6.18.04-5.fc33

Feb 23
  • Fixes and workarounds for gcc 10
  • ExcludeArch for 32 bit ARM because rootcling_stage1 segfaults
Arch icon

Arch rolling community/os: Updated from 6.18.04-8 to 6.18.04-9

Feb 04
Arch icon

Arch rolling community/os: Updated from 6.18.04-7 to 6.18.04-8

Jan 08
Fedora icon

Fedora 31 releases/Everything-os: Version 6.18.02-2.fc31 introduced

Jan 07
  • Rebuild for g++ 9.2
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Arch rolling community-testing/os: Version 6.18.04-7 removed

Dec 15
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Arch rolling community/os: Updated from 6.18.04-6 to 6.18.04-7

Dec 15
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Arch rolling community-testing/os: Version 6.18.04-7 introduced

Dec 12
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Arch rolling community-staging/os: Version 6.18.04-7 removed

Dec 12
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Arch rolling community-staging/os: Version 6.18.04-7 introduced

Dec 10
Fedora icon

Fedora rawhide development/Everything-os: Updated from 6.18.04-1.fc32 to 6.18.04-3.fc32

Dec 05
  • Fix shebangs in root-cli for EPEL 8
Arch icon

Arch rolling community/os: Updated from 6.18.04-5 to 6.18.04-6

Dec 03
Arch icon

Arch rolling community-testing/os: Version 6.18.04-5 removed

Dec 03
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Arch rolling community/os: Updated from 6.18.04-4 to 6.18.04-5

Dec 03

Related packages

root-cli - ROOT command line utilities
root-cling - Cling C++ interpreter
root-cling-debuginfo - Debug information for package root-cling
root-core - ROOT core libraries
root-core-debuginfo - Debug information for package root-core
root-cuda - C++ data analysis framework and interpreter from CERN with GPU (CUDA) features enabled.
root-debuginfo - Debug information for package root
root-debugsource - Debug sources for package root
root-doc - Documentation for the ROOT system
root-fftw - FFTW library for ROOT
root-fftw-debuginfo - Debug information for package root-fftw
root-foam - A Compact Version of the Cellular Event Generator
root-foam-debuginfo - Debug information for package root-foam
root-fonts - ROOT font collection
root-fumili - Fumili library for ROOT
root-fumili-debuginfo - Debug information for package root-fumili
root-gdml - GDML import/export for ROOT geometries
root-gdml-debuginfo - Debug information for package root-gdml
root-genetic - Genetic algorithms for ROOT
root-genetic-debuginfo - Debug information for package root-genetic
root-genvector - Generalized vector library for ROOT
root-genvector-debuginfo - Debug information for package root-genvector
root-geocad - OpenCascade import/export for ROOT geometries
root-geocad-debuginfo - Debug information for package root-geocad
root-geom - Geometry library for ROOT
root-geom-debuginfo - Debug information for package root-geom
root-graf - 2D graphics library for ROOT
root-graf-asimage - AfterImage graphics renderer for ROOT
root-graf-asimage-debuginfo - Debug information for package root-graf-asimage
root-graf-debuginfo - Debug information for package root-graf
root-graf-fitsio - ROOT interface for the Flexible Image Transport System (FITS)
root-graf-fitsio-debuginfo - Debug information for package root-graf-fitsio
root-graf-gpad - Canvas and pad library for ROOT
root-graf-gpad-debuginfo - Debug information for package root-graf-gpad
root-graf-gpadv7 - Canvas and pad library for ROOT (ROOT 7)
root-graf-gpadv7-debuginfo - Debug information for package root-graf-gpadv7
root-graf-gviz - Graphviz 2D library for ROOT
root-graf-gviz-debuginfo - Debug information for package root-graf-gviz
root-graf-postscript - Postscript/PDF renderer library for ROOT
root-graf-postscript-debuginfo - Debug information for package root-graf-postscript
root-graf-primitives - Graphics primitives (ROOT 7)
root-graf-primitives-debuginfo - Debug information for package root-graf-primitives
root-graf-qt - Qt renderer for ROOT
root-graf-qt-debuginfo - Debug information for package root-graf-qt
root-graf-x11 - X window system renderer for ROOT
root-graf-x11-debuginfo - Debug information for package root-graf-x11
root-graf3d - Basic 3D shapes library for ROOT
root-graf3d-csg - Constructive solid geometry
root-graf3d-csg-debuginfo - Debug information for package root-graf3d-csg
root-graf3d-debuginfo - Debug information for package root-graf3d
root-graf3d-eve - Event display library for ROOT
root-graf3d-eve-debuginfo - Debug information for package root-graf3d-eve
root-graf3d-eve7 - Event display library for ROOT (ROOT 7)
root-graf3d-eve7-debuginfo - Debug information for package root-graf3d-eve7
root-graf3d-gl - GL renderer for ROOT
root-graf3d-gl-debuginfo - Debug information for package root-graf3d-gl
root-graf3d-gviz3d - Graphviz 3D library for ROOT
root-graf3d-gviz3d-debuginfo - Debug information for package root-graf3d-gviz3d
root-graf3d-x3d - X 3D renderer for ROOT
root-graf3d-x3d-debuginfo - Debug information for package root-graf3d-x3d
root-gui - GUI library for ROOT
root-gui-browserv7 - Browser (ROOT 7)
root-gui-browserv7-debuginfo - Debug information for package root-gui-browserv7
root-gui-builder - GUI editor library for ROOT
root-gui-builder-debuginfo - Debug information for package root-gui-builder
root-gui-canvaspainter - Canvas painter (ROOT 7)
root-gui-canvaspainter-debuginfo - Debug information for package root-gui-canvaspainter
root-gui-debuginfo - Debug information for package root-gui
root-gui-fitpanel - GUI element for fits in ROOT
root-gui-fitpanel-debuginfo - Debug information for package root-gui-fitpanel
root-gui-fitpanelv7 - GUI element for fits in ROOT (ROOT 7)
root-gui-fitpanelv7-debuginfo - Debug information for package root-gui-fitpanelv7
root-gui-ged - GUI element for editing various ROOT objects
root-gui-ged-debuginfo - Debug information for package root-gui-ged
root-gui-html - HTML GUI library for ROOT
root-gui-html-debuginfo - Debug information for package root-gui-html
root-gui-qt - Qt GUI for ROOT (BNL)
root-gui-qt-debuginfo - Debug information for package root-gui-qt
root-gui-qt5webdisplay - Qt5 Web display (ROOT 7)
root-gui-qt5webdisplay-debuginfo - Debug information for package root-gui-qt5webdisplay
root-gui-qtgsi - Qt GUI for ROOT (GSI)
root-gui-qtgsi-debuginfo - Debug information for package root-gui-qtgsi
root-gui-recorder - Interface for recording and replaying events in ROOT
root-gui-recorder-debuginfo - Debug information for package root-gui-recorder
root-gui-webdisplay - Web display (ROOT 7)
root-gui-webdisplay-debuginfo - Debug information for package root-gui-webdisplay
root-gui-webgui6 - Web based GUI for ROOT
root-gui-webgui6-debuginfo - Debug information for package root-gui-webgui6
root-guibuilder - GUI editor library for ROOT
root-guibuilder-debuginfo - Debug information for package root-guibuilder
root-hbook - Hbook library for ROOT
root-hbook-debuginfo - Debug information for package root-hbook
root-hist - Histogram library for ROOT
root-hist-debuginfo - Debug information for package root-hist
root-hist-draw - Histogram drawing (ROOT 7)
root-hist-draw-debuginfo - Debug information for package root-hist-draw
root-hist-factory - RooFit PDFs from ROOT histograms
root-hist-factory-debuginfo - Debug information for package root-hist-factory
root-hist-painter - Histogram painter plugin for ROOT
root-hist-painter-debuginfo - Debug information for package root-hist-painter
root-histv7 - Histogram library for ROOT (ROOT 7)
root-histv7-debuginfo - Debug information for package root-histv7
root-html - HTML documentation generator for ROOT
root-html-debuginfo - Debug information for package root-html
root-icons - ROOT icon collection
root-io - Input/output of ROOT objects
root-io-dcache - dCache input/output library for ROOT
root-io-dcache-debuginfo - Debug information for package root-io-dcache
root-io-debuginfo - Debug information for package root-io
root-io-gfal - Grid File Access Library input/output library for ROOT
root-io-gfal-debuginfo - Debug information for package root-io-gfal
root-io-hdfs - Hadoop File System input/output library for ROOT
root-io-hdfs-debuginfo - Debug information for package root-io-hdfs
root-io-rfio - Remote File input/output library for ROOT
root-io-rfio-debuginfo - Debug information for package root-io-rfio
root-io-sql - SQL input/output library for ROOT
root-io-sql-debuginfo - Debug information for package root-io-sql
root-io-xml - XML reader library for ROOT
root-io-xml-debuginfo - Debug information for package root-io-xml
root-io-xmlparser - XML parser library for ROOT
root-io-xmlparser-debuginfo - Debug information for package root-io-xmlparser
root-macro-fastjet - FastJet macro for CERN ROOT
root-mathcore - Core mathematics library for ROOT
root-mathcore-debuginfo - Debug information for package root-mathcore
root-mathmore - GSL interface library for ROOT
root-mathmore-debuginfo - Debug information for package root-mathmore
root-matrix - Matrix library for ROOT
root-matrix-debuginfo - Debug information for package root-matrix
root-memstat - Memory statistics tool for use with ROOT
root-memstat-debuginfo - Debug information for package root-memstat
root-minuit - Minuit library for ROOT
root-minuit-debuginfo - Debug information for package root-minuit
root-minuit2 - Minuit version 2 library for ROOT
root-minuit2-debuginfo - Debug information for package root-minuit2
root-mlp - Multi-layer perceptron extension for ROOT
root-mlp-debuginfo - Debug information for package root-mlp
root-montecarlo-eg - Event generator library for ROOT
root-montecarlo-eg-debuginfo - Debug information for package root-montecarlo-eg
root-montecarlo-pythia8 - Pythia version 8 plugin for ROOT
root-montecarlo-pythia8-debuginfo - Debug information for package root-montecarlo-pythia8
root-montecarlo-vmc - Virtual Monte-Carlo (simulation) library for ROOT
root-montecarlo-vmc-debuginfo - Debug information for package root-montecarlo-vmc
root-multiproc - Multi-processor support for ROOT
root-multiproc-debuginfo - Debug information for package root-multiproc
root-net - Net library for ROOT
root-net-auth - Authentication extension for ROOT
root-net-auth-debuginfo - Debug information for package root-net-auth
root-net-bonjour - Bonjour extension for ROOT
root-net-bonjour-debuginfo - Debug information for package root-net-bonjour
root-net-davix - Davix extension for ROOT
root-net-davix-debuginfo - Debug information for package root-net-davix
root-net-debuginfo - Debug information for package root-net
root-net-globus - Globus extension for ROOT
root-net-globus-debuginfo - Debug information for package root-net-globus
root-net-http - HTTP server extension for ROOT
root-net-http-debuginfo - Debug information for package root-net-http
root-net-httpsniff - HTTP sniffer extension for ROOT
root-net-httpsniff-debuginfo - Debug information for package root-net-httpsniff
root-net-krb5 - Kerberos (version 5) extension for ROOT
root-net-krb5-debuginfo - Debug information for package root-net-krb5
root-net-ldap - LDAP extension for ROOT
root-net-ldap-debuginfo - Debug information for package root-net-ldap
root-net-rpdutils - Authentication utilities used by rootd and proofd
root-net-rpdutils-debuginfo - Debug information for package root-net-rpdutils
root-netx - NetX extension for ROOT
root-netx-debuginfo - Debug information for package root-netx
root-notebook - Static files for the Jupyter ROOT Notebook
root-physics - Physics library for ROOT
root-physics-debuginfo - Debug information for package root-physics
root-plugin-geom-gdml - GDML import/export module for ROOT geometries
root-plugin-geom-geombuilder - Geometry builder plugin for ROOT
root-plugin-geom-geompainter - Geometry painter plugin for ROOT
root-plugin-graf2d-asimage - AfterImage plugin for ROOT
root-plugin-graf2d-qt - Graf2d Qt plugin for ROOT
root-plugin-graf2d-x11 - X window system plugin for ROOT
root-plugin-graf3d-x3d - X 3D plugin for ROOT
root-plugin-gui-fitpanel - GUI element for fits plugin for ROOT
root-plugin-gui-guibuilder - GUI editor plug-in for ROOT
root-plugin-gui-qt - Qt plugin for ROOT
root-plugin-gui-sessionviewer - GUI to browse an interactive PROOF session
root-plugin-hist-hbook - Hbook plugin for ROOT
root-plugin-hist-histpainter - Histogram painter plugin for ROOT
root-plugin-hist-spectrumpainter - Spectrum painter plugin for ROOT
root-plugin-io-sql - SQL plugin for ROOT
root-plugin-io-xml - XML reader plugin for ROOT
root-plugin-math-fftw3 - FFTw plugin for ROOT
root-plugin-math-fumili - Fumili plugin for ROOT
root-plugin-math-minuit2 - Minuit version 2 plugin for ROOT
root-plugin-montecarlo-pythia8 - Pythia version 8 plugin for ROOT
root-plugin-net-globus - Globus plugin for ROOT
root-plugin-net-krb5 - Kerberos (version 5) plugin for ROOT
root-plugin-sql-mysql - MySQL client plugin for ROOT
root-plugin-sql-odbc - ODBC plugin for ROOT
root-plugin-sql-pgsql - PostgreSQL client plugin for ROOT
root-plugin-tree-treeviewer - GUI to browse a ROOT tree
root-proof - PROOF extension for ROOT
root-proof-bench - PROOF benchmarking
root-proof-bench-debuginfo - Debug information for package root-proof-bench
root-proof-debuginfo - Debug information for package root-proof
root-proof-player - PROOF player extension for ROOT
root-proof-player-debuginfo - Debug information for package root-proof-player
root-proof-pq2 - PROOF Quick Query (pq2)
root-proof-pq2-debuginfo - Debug information for package root-proof-pq2
root-proof-sessionviewer - GUI to browse an interactive PROOF session
root-proof-sessionviewer-debuginfo - Debug information for package root-proof-sessionviewer
root-proofd - Parallel ROOT Facility - distributed, parallel computing
root-proofd-debuginfo - Debug information for package root-proofd
root-quadp - QuadP library for ROOT
root-quadp-debuginfo - Debug information for package root-quadp
root-r - R interface for ROOT
root-r-debuginfo - Debug information for package root-r
root-r-tools - R Tools
root-r-tools-debuginfo - Debug information for package root-r-tools
root-roofit - ROOT extension for modeling expected distributions - toolkit
root-roofit-core - ROOT extension for modeling expected distributions - core
root-roofit-core-debuginfo - Debug information for package root-roofit-core
root-roofit-debuginfo - Debug information for package root-roofit
root-roofit-more - ROOT extension for modeling expected distributions - more
root-roofit-more-debuginfo - Debug information for package root-roofit-more
root-roostats - Statistical tools built on top of RooFit
root-roostats-debuginfo - Debug information for package root-roostats
root-rootd - ROOT remote file server
root-rootd-debuginfo - Debug information for package root-rootd
root-smatrix - Sparse matrix library for ROOT
root-smatrix-debuginfo - Debug information for package root-smatrix
root-spectrum - Spectra analysis library for ROOT
root-spectrum-debuginfo - Debug information for package root-spectrum
root-spectrum-painter - Spectrum painter plugin for ROOT
root-spectrum-painter-debuginfo - Debug information for package root-spectrum-painter
root-splot - Splot library for ROOT
root-splot-debuginfo - Debug information for package root-splot
root-sql-mysql - MySQL client plugin for ROOT
root-sql-mysql-debuginfo - Debug information for package root-sql-mysql
root-sql-odbc - ODBC plugin for ROOT
root-sql-odbc-debuginfo - Debug information for package root-sql-odbc
root-sql-pgsql - PostgreSQL client plugin for ROOT
root-sql-pgsql-debuginfo - Debug information for package root-sql-pgsql
root-sql-sqlite - Sqlite client plugin for ROOT
root-sql-sqlite-debuginfo - Debug information for package root-sql-sqlite
root-system - metapackage to install all ROOT packages
root-system-bin - Numerical data analysis framework - general applications
root-system-common - Common files for ROOT
root-system-doc - Tutorial and test suite for the ROOT system
root-system-proofd - Parallel ROOt Facility - distributed, parallel computing
root-system-rootd - ROOT remote file server
root-table - Table library for ROOT
root-table-debuginfo - Debug information for package root-table
root-tail - Displays a given file anywhere on your X11 root window
root-tail-debuginfo - Debug information for package root-tail
root-tail-debugsource - Debug sources for package root-tail
root-tmva - Toolkit for multivariate data analysis
root-tmva-debuginfo - Debug information for package root-tmva
root-tmva-gui - Toolkit for multivariate data analysis GUI
root-tmva-gui-debuginfo - Debug information for package root-tmva-gui
root-tmva-python - Toolkit for multivariate data analysis (Python)
root-tmva-python-debuginfo - Debug information for package root-tmva-python
root-tmva-r - Toolkit for multivariate data analysis (R)
root-tmva-r-debuginfo - Debug information for package root-tmva-r
root-tree - Tree library for ROOT
root-tree-dataframe - A high level interface to ROOT trees
root-tree-dataframe-debuginfo - Debug information for package root-tree-dataframe
root-tree-debuginfo - Debug information for package root-tree
root-tree-ntuple - Ntuple (ROOT 7)
root-tree-ntuple-debuginfo - Debug information for package root-tree-ntuple
root-tree-player - Library to loop over a ROOT tree
root-tree-player-debuginfo - Debug information for package root-tree-player
root-tree-viewer - GUI to browse a ROOT tree
root-tree-viewer-debuginfo - Debug information for package root-tree-viewer
root-tutorial - ROOT tutorial scripts and test suite
root-unfold - Distribution unfolding
root-unfold-debuginfo - Debug information for package root-unfold
root-unuran - Random number generator library
root-unuran-debuginfo - Debug information for package root-unuran
root-vecops - Vector operation extension for ROOT
root-vecops-debuginfo - Debug information for package root-vecops
root-xproof - XPROOF extension for ROOT
root-xproof-debuginfo - Debug information for package root-xproof
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