How to see the changes in a commit?

As mentioned in "Shorthand for diff of git commit with its parent?", you can also use git diff with:

 

git diff COMMIT^!

or 

git diff-tree -p COMMIT

COMMIT 에는 커밋 해시 입력

 

또는 

git show --color --pretty=format:%b $COMMIT

 

 

Ref