conda install anaconda-clean   # install the package anaconda clean
anaconda-clean --yes           # clean all anaconda related files and directories 
rm -rf ~/anaconda3             # removes the entire anaconda directory

rm -rf ~/.anaconda_backup       # anaconda clean creates a back_up of files/dirs, remove it 
                                # (conda list; cmd shouldn't respond after the clean up)

#Install anaconda-clean
conda install anaconda-clean

#start anaconda-clean
anaconda-clean --yes

sudo rm -rf ~/anaconda3 ~/.condarc ~/.conda ~/.continuum 
remove path from .bashrc file which looks like:
PATH="/home/myuser/anaconda3/bin:$PATH
source ~/.bashrc

rm -rf ~/anaconda3 ~/.condarc ~/.conda ~/.continuum #To execute in terminal

export PATH="/Users/jsmith/anaconda3/bin:$PATH"