1 files changed, 2 insertions, 0 deletions

diff --git a/doc/git b/doc/git
new file mode 100644
index 0000000..1205d00
--- /dev/null
+++ b/doc/git
@@ -0,0 +1,2 @@
+undo last commit:    git reset HEAD~
+diff two branches:   git diff branch1 branch2 path/to/file