ORACLE DBA Tips Corner. Is A Hobby An Extracurricular Activity Facts on this page. Search the DistroWatch database for distributions using a particular package. If you are looking for a distribution with the latest kernel, select linux from the. Boot.jpg' alt='Install Glibc 2 4 Red Hat 4 Upgrade' title='Install Glibc 2 4 Red Hat 4 Upgrade' />A Linux distribution often abbreviated as distro is an operating system made from a software collection, which is based upon the Linux kernel and, often, a package. For detailed information about ALM, refer to the documentation set. To access the ALM Documentation Library from the main ALM window, choose Help Documentation Library.