GitHub Learning Note (iii)-version fallback

1. git log View Warehouse file modification history with commands

Description: Increase--pretty=oneline参数可以减少输出信息（git log --pretty=oneline）。

2. Version fallback

A. In Git, with the current version, the previous version is, the last version HEAD HEAD^ is HEAD^^ , of course, 100 versions of the Write 100 is ^ relatively easy to count, so writeHEAD~100。

　　The current version is rolled back to the previous version, using the git reset --hard HEAD^ command.

B. Fall back to a version number, the version number does not have to write full, do not repeat ( git reset --hard commit_id ).

3. git reflog命令 each change of the repository is recorded and can be rolled back to any version by version number.

GitHub Learning Note (iii)-version fallback