$ terraform init
$ terraform fmt
$ terraform validate
$ terraform plan
$ terraform plan -out=<filename>
$ terraform apply
$ terraform apply -auto-approve
$ terraform apply -refresh-only
$ terraform apply -replace="aws_instance.my_server"
$ terraform refresh
$ terraform output
$ terraform show
$ terraform state list
$ terraform destroy
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Terraform Registry Provider AWS Docs
Terraform Basic Docs AWS
Terraform AWS Docs
Terraform Modules
Terraform Cloud
Cloud Init Docs