Oracle has quietly extended paid support and upgrades for Solaris 11.4 to 2037 – three years past its previous deadline – and did the same for earlier versions of the OS last year. Solaris is a proprietary Unix that Oracle acquired along with Sun Microsystems in 2010. Teamed with Sun's own SPARC silicon, the OS was an unusually scalable and reliable option in its day and Sun's early attention to web-scale tech made it a common choice for Web 1.0 players. But by the time Oracle acquired Sun, Sola...