how to generate gitignore file

C++
echo "function gi() { curl -L -s https://www.gitignore.io/api/\$@ ;}" >> ~/.bash_profile && source ~/.bash_profile#Linux
$ touch .gitignore

#Windows
cd c:\<your path>
notepad .gitignore
#Accept the prompt to create the file, edit the contents accordingly, save and close.echo "
bin/**
lib/**
pyvenv.cfg
**.pyc
"  > .gitignore
cat .gitignore
Source

Also in C++: