$ git log --pretty=format:"%h - %an, %ar : %s"
ca82a6d - Scott Chacon, 6 years ago : Change version number
085bb3b - Scott Chacon, 6 years ago : Remove unnecessary test
a11bef0 - Scott Chacon, 6 years ago : Initial commit
$ git log --oneline
$ git commit -v --amend
$ git log
# git log lists the commits made in that repository in reverse chronological order
# show in terminal by this command
git log --reflog
# show message just
git log --all --oneline
# use gui git by this command
gitk
# or use git desktop
https://desktop.github.com/
#and other gui-git
https://git-scm.com/downloads/guis