2020_DKU_OS

This is a place for studying Operaing System in Dankook University.

• Professor : Jongmoo Choi
• Assistant : Gunhee Choi (Email : [email protected])
• 2020 DKU Operating System Course Information link

Lab3에서 보너스과제에서 컴파일 문제가 일어난 학생들은 새로운 OS 이미지를 다운하시거나 다시 올라온 Lab3 문서를 확인하시길 바랍니다.

Download Environment

Virtual Machine Platform: VirtualBox 6.X link

Operating System: Ubuntu 18.04 link

This environment is based on VirtualBox 6.X. If image execution is not possible, we recommend reinstalling VirtualBox 5.2 version.

Virtual Box 5.2 Link

Clone Git Repository

git clone https://github.com/DKU-Embedded-Lab/2020_DKU_OS.git

If you get an error there are no commands, install git with following command :

sudo apt-get install git

Lab0

lab0 contains information about installing a virtual machine and Ubuntu.

Set the environment according to the documentation.

The documentation for lab0 is at the link below.

The OS image to use for preferences is also on the link below.

Documentation for conducting the assignment can be found at following link :

Lab0 Documentation Link

DKU_OS Image Download link

DKU_OSv2 Image link

Lab1

If you want to proceed to Lab1, go to command below :

cd lab1_sched

make

./lab1_sched

Documentation for conducting the assignment can be found at following link :

Lab1 Documentation Link

Lab2

If you want to proceed to Lab2, go to command below :

cd lab2_sync

make lab2_example

./lab2_example –t 4 –i 1000000 –s o

./lab2_example –t 4 –i 1000000 –s m

The above command is an example.

See the documentation for details.

Documentation for conducting the assignment can be found at following link :

Lab2 Documentation Link

Lab3

If you want to proceed to Lab3, go to command below :

cd lab3_filesystem

make

insmod ramdisk.ko

mkfs.ext2 /dev/ramdisk

mkdir mnt

mount /dev/ramdisk ./mnt

./create.sh

./apd mnt/A/BC 13 A/BC-13      //A, B, C is your last 3 digit of you student ID : XXXXXABC

then you can proceed Lab3

If you want to proceed to Lab3-Bonus, go to command below :

umount /dev/ramdisk

rmmod ramdisk

insmod ramdisk.ko

cd os_ext2          //change the source code

make

insmod os_ext2.ko

mkfs.ext2 /dev/ramdisk

mount -t os_ext /dev/ramdisk ../mnt

dmesg | grep os_ext2

See the documentation for details.

Documentation for conducting the assignment can be found at following link :

Lab3 Documentation Link