Terraform initialized in an empty directory! The directory has no Terraform configuration files. You may begin working with Terraform immediately by creating Terraform configuration files. code example

Example: terraform init

#Commands from Terraform Init
#upgrade modules and plugins
terraform init -upgrade
#Skip Backend Initialization
terraform init -backend=false
#Skip Child Module Initialization
terraform init -get=false
#Skip Plugin initialization
terraform init -get-plugins=false
#Copy a Source Module
terraform init -from-module=MODULE-SOURCE

#During initialization the plugins are stored in below location

On most operationg systems :         ~/.terraform.d/plugins
on Windows                 :         %APPDATA%\terraform.d\plugins