History of sanos

The sanos project was started on September 9, 2001. All changes to sanos from version 1.2.4 (in December 2002) are documented in the change log. This is a short description of the early history of sanos.

Sep 9, 2001: Sanos boots for the first time.
Sep 24, 2001: Sanos version 0.0.1. Earliest preserved copy of source code (keyboard, video, interrupt, timer).
Oct 5, 2001: First multi-threaded version of sanos (kernel memory manager, object manager, thread scheduler).
Nov 6, 2001: Device system, IDE, PCI.
Dec 19, 2001: Sanos version 0.0.2. First version with file system support (virtual file system and dfs).
Jan 2, 2002: First version of sanos that could execute code in user mode (ring 3) (virtual memory manager, module loader, syscalls, malloc).
Jan 23, 2002: Sanos registered on SourceForge.
Feb 20, 2002: Sanos version 0.0.3. First version of sanos that can run a java virtual machine (shell, win32 subsystem, jinit, floppy disk, ne2000, netif, tcp, ip, udp).
Mar 3, 2002: Sanos version 0.0.4. pcnet32, pnpbios.
Mar 6, 2002: Sanos put under revision control in CVS.
Mar 8, 2002: Sanos version 1.0.0. First version of sanos with the source code file layout used today.
Apr 24, 2002: Sanos version 1.1.0. First version of sanos capable of running tomcat. Full network support with BSD socket api (procfs, socket, dhcp, dns, netdb, wsock32).
Sep 15 2002: Sanos version 1.2.0. First public release of sanos after one year of development.
Nov 15, 2002: Sanos version1.2.1
Nov 21, 2002: Sanos version 1.2.2
Dec 2, 2002: Sanos version 1.2.3
Dec 16, 2002: Sanos version 1.2.4. Change log started. From this time on all changes to sanos are documented in the change log.
Jan 12, 2003: Sanos version 1.2.5
Feb 06, 2003: Sanos version 1.2.6
Jun 04, 2003: Sanos version 1.2.7
Jun 24, 2003: Sanos version 1.2.8
Sep 19, 2003: Sanos version 1.2.9
Aug 8, 2004: Sanos version 1.3.0
Oct 25, 2004: Sanos version 1.3.1
Apr 3, 2005: Sanos version 1.3.2
Oct 20, 2005: Sanos version 1.3.3
Mar 8, 2012: Sanos version 1.3.4
Apr 27, 2012: Sanos public git repository registered on Google code.

Sanos was developed as part of an experiment on investigating the feasibility of running Java server applications without a traditional operating system only using a simple kernel. You can download a very early version of sanos here that still contains the OS emulator which was the starting point for Sanos.