1. Install go mod init hello-cli go get -u github.com/spf13/cobra 2. Init Project cobra-cli init cobra-cli add greetgl 3. Write a application code(update cmd/greet.go) Print Hello World Print Hello ${name}, default name is World (Print Hello ${name}, default name is World) * ${count}, default count is 1 4. Results 5. Write the makefile