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by NikkiA 1237 days ago
"SunOS is the kernel, Solaris is the distribution as a whole" was how I was always told it went. Solaris 1.x used a SunOS 4.x kernel, Solaris 2.x and upwards used SunOS 5.x. Version synchronicity was achieved by jumping from Solaris 2.6/SunOS 5.6 to Solaris 7.x/SunOS 5.7 in 1998 when UltraSPARC support was introduced. Of course Solaris 11.x/SunOS 5.11 was the last version.