$ cat /etc/lsb-release
DISTRIB_ID=LinuxMint
DISTRIB_RELEASE=18.3
DISTRIB_CODENAME=sylvia
DISTRIB_DESCRIPTION="Linux Mint 18.3 Sylvia"
$ ps faux | grep cinnamon
mcrowe 1811 0.0 0.0 438712 22488 ? Ssl 05:55 0:01 \_ cinnamon-session --session cinnamon