see git credentials code example

Example 1: git store credentials

// local
git config credential.helper store
// global
git config --global credential.helper store

Example 2: git check username

git config --list

Example 3: add credentials git linux

# This cache timeout is in seconds
$ git config --global credential.helper 'cache --timeout=3600'

Example 4: see git credentials password

git config --global credential.helper wincred