>>733
$ gsettings set org.mate.background show-desktop-icons false
$ killall caja

https://wiki.archlinux.jp/index.php/MATE#Caja_.E3.81.AB.E3.83.87.E3.82.B9.E3.82.AF.E3.83.88.E3.83.83.E3.83.97.E3.82.92.E7.AE.A1.E7.90.86.E3.81.95.E3.81.9B.E3.81.AA.E3.81.84.E3.82.88.E3.81.86.E3.81.AB.E3.81.99.E3.82.8B
もちろんdconf-editorを使ってもおｋ