NT was multicore much earlier (1994 [1]). Linux had SOMEWHAT working SMP support in 2.0 in 1996 [2]. But really I would hardly count it as real, what with BKL.

NT was multicore much earlier (1994 [1]). Linux had SOMEWHAT working SMP support in 2.0 in 1996 [2]. But really I would hardly count it as real, what with BKL. [1] http://www.os2museum.com/wp/nt-3-1-smp/comment-page-1/ http://www.os2museum.com/wp/nt-3-1-smp/comment-page-1/ [2] https://en.wikipedia.org/wiki/Linux_kernel https://en.wikipedia.org/wiki/Linux_kernel