File list (Check if you may need any files):
CHAPTER4
........\HYRAM.DAT
........\HYRAM.EXE
........\HYRAM.FOR
........\HYRAM.X24
........\HYRAM.X25
........\NETOPCON.19B
........\NETOPCON.DAT
........\NETOPCON.EXE
........\NETOPCON.FOR
........\NETOPSIM.19A
........\NETOPSIM.DAT
........\NETOPSIM.EXE
........\NETOPSIM.FOR
........\NETWORK.17B
........\NETWORK.17C
........\NETWORK.DAT
........\NETWORK.EXE
........\NETWORK.FOR
........\NETWORK.X13
........\NETWORK.X14
........\NETWORK.X15
........\NETWORK.X16
........\NETWORK.X18
........\PNETUNS1.DAT
........\PNETUNS1.EXE
........\PNETUNS1.FOR
........\PNETUNS1.X22
........\PNETUNS1.X23
........\PNETUNS2.EXE
........\PNETUNS2.FOR
........\PNETUNSB.DAT
........\PNETUNSB.X22
........\PNETUNSB.X23
........\SIMEQ.DAT
........\SIMEQ.EXE
........\SIMEQ.FOR
CHAPTER5
........\MACK.DAT
........\MACK.EXE
........\MACK.FOR
........\MACK.X28
........\MACKS.DAT
........\MACKS.EXE
........\MACKS.FOR
........\MACKS.X29
........\MOC.DAT
........\MOC.EXE
........\MOC.FOR
........\MOC.X28
........\OPNCHNET.22A
........\OPNCHNET.22B
........\OPNCHNET.DAT
........\OPNCHNET.EXE
........\OPNCHNET.FOR
........\STDSTEP.DAT
........\STDSTEP.EXE
........\STDSTEP.FOR
........\STDSTEP.X18
........\STDSTEP.X21
........\YC.FOR
........\YN.FOR
CHAPTER6
........\HYRT1.DAT
........\HYRT1.EXE
........\HYRT1.FOR
........\HYRT1.X4A
........\HYRT2.DAT
........\HYRT2.EXE
........\HYRT2.FOR
........\HYRT2.X4B
........\HYRT3.DAT
........\HYRT3.EXE
........\HYRT3.FOR
........\HYRT3.X4C
........\HYRTEDB.DAT
........\HYRTEDB.EXE
........\HYRTEDB.FOR
........\HYRTEDB.X6A
........\HYRTEDBS.EXE
........\HYRTEDBS.FOR
........\HYRTI.DAT
........\HYRTI.EXE
........\HYRTI.FOR
........\HYRTI.X5
........\HYRTIDB.DAT
........\HYRTIDB.EXE
........\HYRTIDB.FOR
........\HYRTIDB.X6B
........\HYRTIDBS.EXE
........\HYRTIDBS.FOR
........\HYRTIMP.DAT
........\HYRTIMP.EXE
........\HYRTIMP.FOR
........\HYRTIMP.X5
........\HYRTWD1.DAT
........\HYRTWD1.EXE
........\HYRTWD1.FOR
........\HYRTWD1.X7A
........\HYRTWD1.X7B