Letter: R
- radvd-0.7.2-9: A Router Advertisement daemon
- rcs-5.7-26: Revision Control System (RCS) file version management tools.
- rdate-1.4-2: Tool for getting the date/time from a remote machine.
- rdesktop-1.3.1-5: X client for remote desktop into Windows Terminal Server
- rdist-6.1.5-38: Maintains identical copies of files on multiple machines.
- readline-4.3-13: A library for editing typed command lines.
- readline-devel-4.3-13: Files needed to develop programs which use the readline library.
- readline41-4.1-17: A library for editing typed in command lines.
- redhat-artwork-0.120-1.SL.5: Artwork for Scientific Linux default look-and-feel
- redhat-logos-1.1.25-1.SL.8: Red Hat-related icons and pictures.
- redhat-lsb-1.3-10.EL: LSB support for Red Hat Linux
- redhat-menus-3.7.1-2: Configuration and data files for the desktop menus
- redhat-rpm-config-8.0.32.1-1: Red Hat specific rpm configuration files.
- rgmanager-1.9.34-1: Open Source HA Resource Group Failover for Red Hat Enterprise Linux
- rh-glossary-en-2-1.SL1: Red Hat Glossary
- rhd-dg-en-4-2.SL1: The Red Hat Desktop 4 Deployment Guide in HTML format.
- rhdb-utils-3.0-3: Miscellaneous utilities for PostgreSQL - Red Hat Edition.
- rhel-ig-x8664-multi-en-4-3.SL1: x86, Itanium, AMD64 and Intel EM64T Installation Guide
- rhel-isa-en-4-3.SL1: Red Hat Enterprise Linux 4 Introduction to System Administration
- rhel-rg-en-4-3.SL1: Red Hat Enterprise Linux 4 Reference Guide
- rhel-sag-en-4-3.SL1: Red Hat Enterprise Linux 4 System Administration Guide
- rhel-sbs-en-4-1.SL1: Red Hat Enterprise Linux 4 Step by Step Guide
- rhel-selg-en-4-1.SL1: The Red Hat 4 SELinux Guide in HTML format
- rhel-sg-en-4-3.SL1: Red Hat Enterprise Linux 4 Security Guide
- rhgb-0.14.1-5: Red Hat Graphical Boot
- rhn-applet-2.1.17-5: Panel applet for indication that newer Red Hat packages are available
- rhnlib-1.8-6.p23: Python libraries for the RHN project
- rhpl-0.148.2-1: Library of python code used by programs in Red Hat Linux
- rhythmbox-0.8.8-1: Music Management Application
- rmt-0.4b37-1: Provides certain programs with access to remote tape devices.
- rootfiles-8-1: The basic required files for the root user's directory.
- rp-pppoe-3.5-22: A PPP over Ethernet client (for xDSL support).
- rpm-4.3.3-9_nonptl: The RPM package management system.
- rpm-build-4.3.3-9_nonptl: Scripts and executable programs used to build packages.
- rpm-devel-4.3.3-9_nonptl: Development files for manipulating RPM packages.
- rpm-libs-4.3.3-9_nonptl: Libraries for manipulating RPM packages.
- rpm-python-4.3.3-9_nonptl: Python bindings for apps which will manipulate RPM packages.
- rpmdb-SL-41-0.20050804: The entire rpm database for the "Scientific Linux" distribution.
- rsh-0.17-25.3: Clients for remote access commands (rsh, rlogin, rcp).
- rsh-server-0.17-25.3: Servers for remote access commands (rsh, rlogin, rcp).
- rsync-2.6.3-1: A program for synchronizing files over a network.
- ruby-1.8.1-7.EL4.0: An interpreter of object-oriented scripting language
- ruby-devel-1.8.1-7.EL4.0: A Ruby development environment.
- ruby-docs-1.8.1-7.EL4.0: Manuals and FAQs for scripting language Ruby.
- ruby-libs-1.8.1-7.EL4.0: Libraries necessary to run Ruby.
- ruby-mode-1.8.1-7.EL4.0: Emacs Lisp ruby-mode for the scripting language Ruby
- ruby-tcltk-1.8.1-7.EL4.0: Tcl/Tk interface for scripting language Ruby.
- rusers-0.17-41: Displays the users logged into machines on the local network.
- rusers-server-0.17-41: Server for the rusers protocol.
- rwho-0.17-22: Displays who is logged in to local network machines.