Computer Tips - How can I do things with groups using dnf?

Date: 2014may6 Updated: 2015oct13 OS: Linux Distro: RedHat/Fedora/CentOS Q. How can I do things with groups using dnf? A. List all available groups:
dnf group list
This also works:
dnf grouplist
If you just want to know how many groups there are:
dnf group
And to install one:
dnf group install 'MATE Desktop'