Editing Berkeley Software Design (section)

{{Short description|American software company}}
{{distinguish|Berkeley Software Distribution}}
{{Infobox company
| name             = Berkeley Software Design, Inc.
| logo             = Berkeley Software Design logo.svg
| genre            = [[Operating system]] software
| fate             = Acquired
| successor        = [[Wind River Systems]], [[iXsystems]]
| foundation       = 1991
| founder          = [[Rick Adams (Internet pioneer)|Rick Adams]], [[Keith Bostic (software engineer)|Keith Bostic]], [[Marshall Kirk McKusick]], [[Mike Karels]], [[Bill Jolitz]]
| defunct          = 2001/2002
| location_country = [[United States|U.S.]]
| industry         = [[Computer software]]
| products         = [[BSD/OS]]
| website          = {{Web archive|url=https://web.archive.org/web/19990420050738/http://www.bsdi.com/|title=bsdi.com}}
}}

'''Berkeley Software Design, Inc.''' ('''BSDI''' or, later, '''BSDi'''), was a [[software]] company founded in 1991 by members of the [[Computer Systems Research Group]] (CSRG), known for developing and selling [[BSD/OS]] (originally known as BSD/386), a commercial and partially [[Proprietary software|proprietary]] variant of the [[Berkeley Software Distribution|BSD Unix]] [[operating system]] for [[PC compatible|PCs]].