2021
FPMI - HoroshilovCheptsovPerevyortkin - OS Kernel Construction ru
    https://www.youtube.com/playlist?list=PL4_hYwCyhAva5JvmFBIUc_-JqZk4xfc5f
FPMI - Yakovlev - FCSOS
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvbPdTFj35Zg2_y30DzeOtvS
    ! kcachegrind