Orange' s an operating system implementation (CD with the book source), the source of all the chapters of the book are

Orange's一个操作系统的实现(随书光盘)
....................................\chapter1
....................................\chapter10
....................................\.........\a
....................................\.........\.\80m.img.gz
....................................\.........\.\a.img
....................................\.........\.\bochsrc
....................................\.........\.\boot
....................................\.........\.\....\boot.asm
....................................\.........\.\....\include
....................................\.........\.\....\.......\fat12hdr.inc
....................................\.........\.\....\.......\load.inc
....................................\.........\.\....\.......\pm.inc
....................................\.........\.\....\loader.asm
....................................\.........\.\fs
....................................\.........\.\..\disklog.c
....................................\.........\.\..\link.c
....................................\.........\.\..\main.c
....................................\.........\.\..\misc.c
....................................\.........\.\..\open.c
....................................\.........\.\..\read_write.c
....................................\.........\.\include
....................................\.........\.\.......\stdio.h
....................................\.........\.\.......\string.h
....................................\.........\.\.......\sys
....................................\.........\.\.......\...\config.h
....................................\.........\.\.......\...\console.h
....................................\.........\.\.......\...\const.h
....................................\.........\.\.......\...\fs.h
....................................\.........\.\.......\...\global.h
....................................\.........\.\.......\...\hd.h
....................................\.........\.\.......\...\keyboard.h
....................................\.........\.\.......\...\keymap.h
....................................\.........\.\.......\...\proc.h
....................................\.........\.\.......\...\protect.h
....................................\.........\.\.......\...\proto.h
....................................\.........\.\.......\...\sconst.inc
....................................\.........\.\.......\...\tty.h
....................................\.........\.\.......\type.h
....................................\.........\.\kernel
....................................\.........\.\......\clock.c
....................................\.........\.\......\console.c
....................................\.........\.\......\global.c
....................................\.........\.\......\hd.c
....................................\.........\.\......\i8259.c
....................................\.........\.\......\kernel.asm
....................................\.........\.\......\keyboard.c
....................................\.........\.\......\main.c
....................................\.........\.\......\proc.c
....................................\.........\.\......\protect.c
....................................\.........\.\......\start.c
....................................\.........\.\......\systask.c
....................................\.........\.\......\tty.c
....................................\.........\.\lib
....................................\.........\.\...\close.c
....................................\.........\.\...\exit.c
....................................\.........\.\...\fork.c
....................................\.........\.\...\getpid.c
....................................\.........\.\...\klib.c
....................................\.........\.\...\kliba.asm
....................................\.........\.\...\misc.c
....................................\.........\.\...\open.c
....................................\.........\.\...\printf.c
....................................\.........\.\...\read.c
....................................\.........\.\...\string.asm
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