Scientific Linux (SL) is a Linux distribution produced by Fermi National Accelerator Laboratory. It is a free and open source operating system based on Red Hat Enterprise Linux
This product is derived from the free and open source software made available by Red Hat, but is not produced, maintained or supported by them. It is built from the source code for Red Hat Enterprise Linux versions, under the terms and conditions of Red Hat Enterprise Linux's end-user license agreement and the GNU General Public License.