How to turn Quads to Tris in Zbrush

#1

ok here’s an odd question due to some things i want to test out is

how do i change all the 4 sided faces to 3 sided faces aka
quads to tris in zbrush? and model with them

i am asking here cause i can’t seem to find the answer on the web

#2

http://pixologic.com/zbrush/features/decimation

#3

thank you much appreciated