Creating Local Repositories with Linear History - Git Recipes - page 92

The command:
$ git checkout master
returns to the latest revision and restores the normal state.
Hint Recipe 3-6 introduces a new characterization of a repository. We can say that a
repository is in a detached HEAD state or in a normal state .
3-7. Creating a git s alias
Problem
How to define an alias that will simplify the execution of a $ git status -sb
command?
Solution
Type the contents of Listing 3-7 at the end of the [alias] section in your .git-
config file.
Listing 3-7. Alias git s
[alias]
s = status -sb
You can achieve the same result with the following command:
$ git config --global alias.s "status -sb"
How It Works
The alias $ git s executes the command: