Official Open-Source Q-J-R OS v3.1

GNU Public License v3.0 (GPL-3.0)!

Source Files:

1. ata.c

2. boot.asm

3. calculator.c

4. kernel.c

5. kernel_entry.asm

6. writer.c

7. idt.c

8. memory.c

9. writer.c

10. linker.ld

11. Makefile

Features:

Regular

1. Help Panel - help
2. Clear Screen - clear
3. Shutdown (halting) - exit
4. System Reboot - reboot
5. Information View - info
6. Calculator - calc
7. BIOS CMOS Time - time
8. Printing Text - echo

ATA

9. Initialize ATA - ata

ATA: Work with Files

10. List of files in a current directory - ls
11. Read file - read
12. Write file - write
13. Delete file - del
14. File statistics - stat

ATA: Work with directories

15. Make directory - mkdir
16. Print Working Directory Path - pwd
17. Change the directory - cd

Hardware

18. See RAM information - ram

Compilation

Tools (Crosscompilation):

1. i686-elf-binutils 1.1. i686-elf-gcc 1.2. i686-elf-ld 1.3. i686-elf-objcopy

2. nasm

3. mkfs.fat

4. qemu

5. make

Details:

Architecture : x86 (i386)
Platform : Bare-Metal
Run Mode of x86: Protected Mode
Graphics : VGA Text Mode 80x25

ATA Support : FAT16 ATA Chain Support
SATA Support : No (temporary)
Filesystem : FAT16

Floopy : No

OS : Q-J-R OS
Version : 3.1
Kernel : Q-J-R OS Kernel v2.0.2
Kernel Type : Monolithic Kernel (Not fully)
Release Date : 2026-08-19

Disk Image Size: 65536 KB
Disk Image : .img

Virtual Machine: QEMU (i386)

Supports Compilation: macOS, GNU/Linux
Code : Open-Source (Free Software)
License : GPL-3.0 (GNU General Public License v.0)