Makefile

 1all: program1 program2 program3
 2
 3program1: iinitt.c
 4	gcc iinitt.c -o iinitt
 5program2: reboot.c
 6	gcc reboot.c -o reboot
 7program3: poweroff.c
 8	gcc poweroff.c -o poweroff
 9
10install: all
11	mkdir -p /sbin
12	mv iinitt /sbin/
13	mv reboot /sbin/
14	mv poweroff /sbin/
15	chmod 777 /sbin/{iinitt,reboot,poweroff}
16
17clean:
18	rm -rf /sbin/iinitt /sbin/reboot /sbin/poweroff