1 - make manual https://www.gnu.org/software/make/manual/html_node/index.html | 2 - Learn Makefiles by examples https://makefiletutorial.com/ |

makefile

all: build

build: msg3 msg2 msg1

msg1: msg2 
	@echo "3 - Exit make. Bye. Thank you!"

msg2: msg3
	@touch file1.txt
	@echo "2 - Creating file1.txt."

msg3: 
	@echo "1 - Init make program."
	
clean:  
	@rm -f file1.txt
	@echo "O diretorio esta limpo!"