Makefile (partial)

.PHONY: install
install:
    if [ $(shell id -u) = 0 ] && \
       insmod driverModule.ko && \
       chmod 0666 /dev//myDriver c 72 0 && \
       echo AAABBB > /dev/myDriver; then \
        echo ok; \
    else \
        rmmod driverModule.ko; \
    fi