Midori (operating system)

{{Short description|Microkernel-based operating system by Microsoft}}

{{Infobox OS

| name =

| title = Midori

| logo =

| screenshot =

| caption =

| developer = Microsoft Corporation

| family = Capability-based

| working state = Discontinued{{cite news |last=Foley |first=Mary Jo |date=10 November 2015 |title=Whatever happened to Microsoft's Midori operating system project? |url=https://www.zdnet.com/article/whatever-happened-to-microsofts-midori-operating-system-project/|website=ZDNet |publisher=CBS Interactive}}

| source model =

| released = {{Start date and age|2008}}

| discontinued = Yes

| latest release version = Final

| latest release date = {{End date and age|2015}}

| marketing target =

| programmed in = C# custom variant M#

| supported platforms = IA-32, x86-64, ARM

| kernel type = Microkernel (Language-based)

| ui =

| update model = Compile from source code

| package manager =

| license =

| website =

}}

Midori (which means green in Japanese) was the code name for a managed code operating system (OS) being jointly developed by Microsoft and Microsoft Research. It had been reported{{cite news |last=Foley |first=Mary Jo |date=30 June 2008 |title=Goodbye, XP. Hello, Midori |url=https://www.zdnet.com/article/goodbye-xp-hello-midori/ |website=ZDNet |publisher=CBS Interactive}}{{cite news |last=Oiaga |first=Marius |date=2008-06-30 |url=http://news.softpedia.com/news/Life-After-Windows-Microsoft-Midori-Operating-System-88910.shtml |title=Life After Windows: Microsoft Midori Operating System |publisher=Softpedia |access-date=2008-07-22}} to be a possible commercial implementation of the OS Singularity, a research project begun in 2003 to build a highly dependable OS whose kernel, device drivers, and application software would all be written in managed code. It was designed for concurrency, and would run a program spread across multiple nodes at once.{{cite news |last=Worthington |first=David |date=2008-07-29 |url=http://www.sdtimes.com/content/article.aspx?ArticleID=32627 |title=Microsoft's plans for post-Windows OS revealed |work=SD Times |url-status=unfit |archive-url=https://web.archive.org/web/20121116060326/http://www.sdtimes.com/content/article.aspx?ArticleID=32627 |archive-date=November 16, 2012 }} It also featured a security model that sandboxes applications for increased security.{{cite news |last=Worthington |first=David |url=http://www.sdtimes.com/content/article.aspx?ArticleID=32662 |title=Microsoft's Midori to sandbox apps for increased security |work=SD Times |date=2008-08-05 |url-status=unfit |archive-url=https://web.archive.org/web/20091222084004/http://www.sdtimes.com/content/article.aspx?ArticleID=32662 |archive-date=December 22, 2009}} Microsoft had mapped out several possible migration paths from Windows to Midori.{{cite news |last=Worthington |first=David |date=2008-07-31 |url=http://www.sdtimes.com/content/article.aspx?ArticleID=32646 |title=Microsoft maps out migration from Windows |work=SD Times |url-status=unfit |archive-url=https://web.archive.org/web/20130701112925/http://www.sdtimes.com/content/article.aspx?ArticleID=32646 |archive-date=July 1, 2013}} Midori was discontinued some time in 2015, though many of its concepts were used in other Microsoft projects.