--- /dev/null
+End-of-life / end-of-support data for various OS releases
+=========================================================
+
+* RHEL / CentOS
+ RHEL / CentOS 5: 2020-11-30 †
+ RHEL / CentOS 6: 2024-06-30
+ RHEL / CentOS 7: 2026-06-30
+ RHEL / CentOS 8 / AlmaLinux 8: 2029-03-01
+ RHEL / AlmaLinux 9: 2032-05-31
+ Reference: https://en.wikipedia.org/wiki/Red_Hat_Enterprise_Linux#Version_history_and_timeline
+ https://access.redhat.com/support/policy/updates/errata
+ https://endoflife.date/almalinux
+
+* FreeBSD
+ FreeBSD 11.4: 2021-09-30 †
+ FreeBSD 12.4: 2023-12-31
+ FreeBSD 13.2:
+ Reference: https://en.wikipedia.org/wiki/FreeBSD_version_history
+ https://endoflife.date/freebsd
+ https://www.freebsd.org/security/#sup
+ https://www.freebsd.org/security/unsupported/
+
+* NetBSD
+ NetBSD 7.0: 2020-06-30 †
+ NetBSD 8.0:
+ NetBSD 9.0:
+ Reference: https://en.wikipedia.org/wiki/NetBSD#Releases
+ https://endoflife.date/netbsd
+
+* OpenBSD
+ OpenBSD 7.1: 2023-04-10 †
+ OpenBSD 7.2: 2023-11
+ OpenBSD 7.3: 2024-05
+ Reference: https://en.wikipedia.org/wiki/OpenBSD#Releases
+ https://endoflife.date/openbsd
+
+* macOS
+ macOS 10.15: 2022-09-12 †
+ macOS 11:
+ macOS 12:
+ macOS 13:
+ Reference: https://en.wikipedia.org/wiki/MacOS_version_history
+ https://endoflife.date/macos
+
+* AIX
+ AIX 5.3: 2012-04-30 †
+ AIX 6.1: 2017-04-30 †
+ AIX 7.1: 2023-04-30 †
+ AIX 7.2:
+ AIX 7.3:
+ Reference: https://en.wikipedia.org/wiki/IBM_AIX#POWER/PowerPC/Power_ISA_releases
+ https://www.ibm.com/support/pages/aix-support-lifecycle-information
+
+* HP-UX
+ HP-UX 11.11: 2015-12-31 †
+ HP-UX 11.22: 2015-12-31 †
+ HP-UX 11.23: 2015-12-31 †
+ HP-UX 11.31/hppa: 2021-03-31 †
+ HP-UX 11.31/ia64: 2025-12-31
+ Reference: https://en.wikipedia.org/wiki/HP-UX#Version_history
+ https://www.hpe.com/psnow/doc/4aa4-7673enw.pdf?jumpid=in_pdfviewer-psnow
+
+* IRIX
+ IRIX 6.5: 2013-12 †
+ Reference: http://wiki.irixnet.org/IRIX
+
+* OSF/1
+ OSF/1 5.1: 2012-12-31 †
+ Reference: https://en.wikipedia.org/wiki/Tru64_UNIX#End_of_Life
+
+* Solaris
+ Solaris 9: 2014-10 †
+ Solaris 10: 2025-01
+ Solaris 11.0: †
+ Solaris 11.1: †
+ Solaris 11.2: †
+ Solaris 11.3: 2024-01
+ Solaris 11.4: 2034-01
+ Reference: https://en.wikipedia.org/wiki/Oracle_Solaris#Version_history
+