Working on data sets today, enter the command rsync -av train/sequences/train/
prompt bash: rsync: command not found
Download the latest rsync file directly from http://www2.futureware.at/~nickoe/msys2-mirror/msys/i686/, the first one in the picture below. Then unzip unzip, open usr/bin/rsync.exe and paste it into /usr/bin in the folder where Git is installed.