echoall cc -c -O rkdfc.c as -o rkdfs.o rkdfs.s ld -s -o unix.rkdf rkdfs.o rkdfc.o -lc -l rm -f *.o chmod 0 unix.rkdf if $1x = x exit cp unix.rkdf /unix.rkdf rm -f unix.rkdf