KolibriOS

Company / developer	www.kolibrios.org
Working state	Active
Latest stable release	0.7.7.0 / December 13, 2009
Kernel type	Monolithic
License	GNU General Public License
Official website	www.kolibrios.org

Kolibri or KolibriOS is a small open source x86 operating system written completely in assembly. It was forked off from MenuetOS.^[1]

Features [link]

• Boots from several devices; NTFS is also supported. Can even be started from Windows (Windows will shutdown)
• Graphical user interface based on VESA
• Development kit: code editor with a macro-assembler (FASM) integrated
• Fits on a single 1.44 MB Floppy (many applications are compressed)
• Pre-emptive multitasking, streams, parallel execution of system calls

System requirements [link]

• i586 compatible CPU required
• 8 MB of RAM^[2]
• VESA-compatible videocard
• 1.44" floppy drive, hard disk or CD-drive
• Keyboard and mouse (COM, PS/2 or USB)

Supported hardware [link]

• Hard disks and some USB-sticks. Supported file systems are FAT12, FAT16, FAT32 (long names support), NTFS (partially, read only), ext2/ext3 (partially, read only) and CDFS
• AC'97 audio codec support for Intel, nForce, nForce2, nForce3, nForce4, SIS7012, FM801, VT8233, VT8233C, VT8235, VT8237, VT8237R, VT8237R Plus and EMU10K1X chipsets
• HD Audio codec support for certain motherboards
• AMD, ATI and Intel video chipsets

Reviews on Internet [link]

On OSNews: Kolibrios 0.7.7.0 Released.

Other reviews:

• Dual booting Debian and KolibriOS
• KolibriOS – the World’s Smallest OS at 1.44MB.

References [link]

1. ^ www.kolibrios.org
2. ^ KolibriOS – A tiny operating system on a 1.44MB floppy