De or het systeemstart?

The correct Dutch article is:

de systeemstart

How to use systeemstart

the systeemstartde systeemstart
this systeemstartdeze systeemstart
that systeemstartdie systeemstart
our systeemstartonze systeemstart
your systeemstartjouw systeemstart
every systeemstartelke systeemstart
which systeemstart?welke systeemstart?
a big systeemstart / the big systeemstarteen grote systeemstart, de grote systeemstart