Icon-cache update
cd /usr/share/icons/
iconfolders="ls -d -- */"
printf '%s\n' "${iconfolders@}" | xargs gtk-update-icon-cache /usr/share/icons/
cd /usr/share/icons/
iconfolders="ls -d -- */"
printf '%s\n' "${iconfolders@}" | xargs gtk-update-icon-cache /usr/share/icons/