File list (Check if you may need any files):
linux
.....\Makefile
.....\boot
.....\....\boot.s
.....\....\head.s
.....\fs
.....\..\stat.c
.....\..\Makefile
.....\..\read_write.c
.....\..\buffer.c
.....\..\inode.c
.....\..\file_table.c
.....\..\open.c
.....\..\char_dev.c
.....\..\block_dev.c
.....\..\file_dev.c
.....\..\exec.c
.....\..\super.c
.....\..\namei.c
.....\..\pipe.c
.....\..\bitmap.c
.....\..\fcntl.c
.....\..\ioctl.c
.....\..\tty_ioctl.c
.....\..\truncate.c
.....\init
.....\....\main.c
.....\kernel
.....\......\Makefile
.....\......\sched.c
.....\......\system_call.s
.....\......\console.c
.....\......\hd.c
.....\......\exit.c
.....\......\panic.c
.....\......\traps.c
.....\......\asm.s
.....\......\fork.c
.....\......\tty_io.c
.....\......\printk.c
.....\......\sys.c
.....\......\serial.c
.....\......\keyboard.s
.....\......\rs_io.s
.....\......\vsprintf.c
.....\......\mktime.c
.....\......\shell.c
.....\lib
.....\...\Makefile
.....\...\ctype.c
.....\...\_exit.c
.....\...\open.c
.....\...\close.c
.....\...\errno.c
.....\...\write.c
.....\...\execve.c
.....\...\dup.c
.....\...\wait.c
.....\...\setsid.c
.....\...\string.c
.....\mm
.....\..\Makefile
.....\..\page.s
.....\..\memory.c
.....\tools
.....\.....\build.c
.....\.....\build
.....\include
.....\.......\sys
.....\.......\...\stat.h
.....\.......\...\types.h
.....\.......\...\times.h
.....\.......\...\utsname.h
.....\.......\...\wait.h
.....\.......\unistd.h
.....\.......\time.h
.....\.......\termios.h
.....\.......\stddef.h
.....\.......\stdarg.h
.....\.......\fcntl.h
.....\.......\utime.h
.....\.......\string.h
.....\.......\errno.h
.....\.......\signal.h
.....\.......\const.h
.....\.......\a.out.h
.....\.......\ctype.h
.....\.......\linux
.....\.......\.....\hdreg.h
.....\.......\.....\kernel.h
.....\.......\.....\sched.h
.....\.......\.....\sys.h
.....\.......\.....\tty.h
.....\.......\.....\fs.h
.....\.......\.....\mm.h
.....\.......\.....\head.h
.....\.......\.....\config.h
.....\.......\asm
.....\.......\...\io.h
.....\.......\...\memory.h