lpr: lpr.c spool.c cc -n -s -O lpr.c -o lpr lpd: lpd.c daemon.c daemon0.c cc -n -s -O lpd.c -o lpd install: cp lpr /bin/lpr cp lpd /usr/lib/lpd rm lpr rm lpd echo make sure /etc/rc contains echo rm /usr/spool/lpd/lock; /usr/lib/lpd mkdir /usr/spool mkdir /usr/spool/lpd