chdir mxsys sh shs chdir ../dev sh shs chdir .. sh shld mv a.out /rkmx chdir mxsys e low.s /rk =/s/1/0/p /rp =/s/0/1/p w e conf.c /rk/s/.*/\/* & *\//p /rp/s/\/\*// s/\*\///p w q as low.s;mv a.out ../low.o cc -c -O conf.c mv conf.o ../conf.o chdir .. sh shld mv a.out /rpmx chdir mxsys e low.s /rp =/s/1/0/p /hp =/s/0/1/p w e conf.c /rp/s/.*/\/* & *\//p /hp/s/\/\*// s/\*\///p w q as low.s;mv a.out ../low.o cc -c -O conf.c mv conf.o ../conf.o chdir .. sh shld mv a.out /hpmx chdir mxsys e low.s /hp =/s/1/0/p /rk =/s/0/1/p w e conf.c /hp/s/.*/\/* & *\//p /rk/s/\/\*// s/\*\///p w q as low.s;mv a.out ../low.o cc -c -O conf.c mv conf.o ../conf.o chdir .. sh shld