Here is just my note for little imagine-inspiration.

Please read each terminology about what is and why should happen, don’t read the command if you not familiar with it. There regularly order from initial basic:

1. Head, Branch
2. Init
3. Clone
4. Fork
5. Checkout
6. Commit
7. Tag
8. Stash
9. Merge
10. Rebase
11. Fetch
12. Push
13. Pull
14. Reset
15. Reverse
16. Cherry Pick
17. Patch

Goto the official document https://git-scm.com/docs

Simple good tools for GUI-ing git:

1. GitKraken
2. SourceTree
3. Git Desktop
4. IDE – like Atom, Sublime, VS Code, Intelij, Visual Studio, RAD, etc
5. more . . .
6. Git Flow or Trunk??