how to create .ignore file in git code example

Example 1: create gitignore

# creates gitignore file
$ touch .gitignore

Example 2: git add gitignore

$ touch .gitignore

Example 3: create gitignore files

#Linux
$ touch .gitignore

#Windows
cd c:\
notepad .gitignore
#Accept the prompt to create the file, edit the contents accordingly, save and close.

Example 4: how to git ignore a file

git config --global core.excludesfile ~/.gitignore_global