Edit the Git configuration file

Using git config a dozen times to set up your Git configuration can be a bit tedious. Instead, you can open the Git configuration file in the Git text editor and make the changes directly.
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> You may want to configure Git's default text editor before using this command, to ensure you're comfortable with the text editor that opens the configuration file.
Using git config -e, you can open the Git configuration file in the default Git text editor. This allows you to make changes to the configuration file directly, without having to remember the specific commands for each setting.

# Usage: git config [--global] -e

git config --global -e
# Opens the global git configuration file in the default git text editor

git config -e
# Opens the local repository git configuration file in the text editor

>
> You may want to configure Git's default text editor before using this command, to ensure you're comfortable with the text editor that opens the configuration file.
Using git config -e, you can open the Git configuration file in the default Git text editor. This allows you to make changes to the configuration file directly, without having to remember the specific commands for each setting.
You can add the --global flag to edit the global Git configuration file, or omit it to edit the local repository configuration file.

From 30-seconds-of-code: edit-config