File list (Check if you may need any files):
chapter6
........\a
........\.\a.img
........\.\bochsrc
........\.\boot
........\.\....\boot.asm
........\.\....\include
........\.\....\.......\fat12hdr.inc
........\.\....\.......\load.inc
........\.\....\.......\pm.inc
........\.\....\loader.asm
........\.\include
........\.\.......\const.h
........\.\.......\global.h
........\.\.......\proc.h
........\.\.......\protect.h
........\.\.......\proto.h
........\.\.......\sconst.inc
........\.\.......\string.h
........\.\.......\type.h
........\.\kernel
........\.\......\global.c
........\.\......\i8259.c
........\.\......\kernel.asm
........\.\......\main.c
........\.\......\protect.c
........\.\......\start.c
........\.\lib
........\.\...\klib.c
........\.\...\kliba.asm
........\.\...\string.asm
........\.\Makefile
........\b
........\.\a.img
........\.\bochsrc
........\.\boot
........\.\....\boot.asm
........\.\....\include
........\.\....\.......\fat12hdr.inc
........\.\....\.......\load.inc
........\.\....\.......\pm.inc
........\.\....\loader.asm
........\.\include
........\.\.......\const.h
........\.\.......\global.h
........\.\.......\proc.h
........\.\.......\protect.h
........\.\.......\proto.h
........\.\.......\sconst.inc
........\.\.......\string.h
........\.\.......\type.h
........\.\kernel
........\.\......\global.c
........\.\......\i8259.c
........\.\......\kernel.final.asm
........\.\......\kernel1.asm
........\.\......\kernel2.asm
........\.\......\kernel3.asm
........\.\......\kernel4.asm
........\.\......\kernel5.asm
........\.\......\main.c
........\.\......\protect.c
........\.\......\start.c
........\.\lib
........\.\...\klib.c
........\.\...\kliba.asm
........\.\...\string.asm
........\.\Makefile
........\c
........\.\a.img
........\.\bochsrc
........\.\boot
........\.\....\boot.asm
........\.\....\include
........\.\....\.......\fat12hdr.inc
........\.\....\.......\load.inc
........\.\....\.......\pm.inc
........\.\....\loader.asm
........\.\include
........\.\.......\const.h
........\.\.......\global.h
........\.\.......\proc.h
........\.\.......\protect.h
........\.\.......\proto.h
........\.\.......\sconst.inc
........\.\.......\string.h
........\.\.......\type.h
........\.\kernel
........\.\......\global.c
........\.\......\i8259.c
........\.\......\kernel.asm
........\.\......\kernel1.asm
........\.\......\kernel2.asm
........\.\......\kernel3.asm
........\.\......\main.c
........\.\......\protect.c
........\.\......\start.c
........\.\lib
........\.\...\klib.c
........\.\...\kliba.asm