Unpacking the sample disk: uudecode < Samp.1.uu uudecode < Samp.2.uu uncompress Samp.[12] cat Samp.[12] > Samp.disk chmod -w Samp.disk # write-protect the disk run the emulator: ./a2 interrupt with ~, and insert the sample disk >>> insert Samp.disk >>> c Then type 6 ctrl-P to boot the sample disk from the monitor.