Among enterprise Linux distributions — SUSE Linux Enterprise Server (SLES), Red Hat Enterprise Linux (RHEL) and Ubuntu — Ubuntu has the shortest life-cycle. SLES offers maintenance updates for 8-10 years, with extended support for 11-13 years. RHEL is supported for 10 years and then there is extended support. Ubuntu’s long-term support (LTS) edition is supported for only five years.
How Canonical makes money from Ubuntu
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