terraform init          -   To initiate the environment 
terraform plan          -   To show the probable changes if you apply
terraform apply         -   To apply the changes
terraform destroy       -   To remove all the created resources
terraform state list    -   To list all the created resources
terraform fmt           -   To format the code in terraform files
terraform validate      -   To validate syntaxes and references in the code
terraform show          -   To show all the created resouces technical information
terraform destroy -target <resource-type>.<resource-name>   - To delete a particular resource