Notes to myself that might be helpful to others...
echo "<check_sum> <downloaded_file>" | sha256sum -c
Example:echo "636b209b00b6673471f846581829d4b96b9c3378679925a59a584257c3fef5a3 Miniconda3-latest-Linux-x86_64.sh" | sha256sum -c
Miniconda3-latest-Linux-x86_64.sh: OK