"Linux is a cancer that attaches itself in an intellectual property sense to everything it touches"
About this Quote
The specific intent is intimidation by framing. “Cancer” suggests inevitability and contamination, turning collaboration into pathology. The phrase “in an intellectual property sense” tries to launder the emotional charge through legal language: he’s not attacking developers or users, he’s warning executives and lawyers about downstream obligations. It’s a message aimed at boardrooms deciding whether to adopt open-source components: touch it and your product’s “DNA” changes.
The subtext is anxiety about power, not morality. Microsoft couldn’t easily compete with “free” software on price, so the battleground became legitimacy. If Linux is cast as hazardous, Microsoft’s closed ecosystem becomes the safe, responsible choice. The rhetoric also echoes an era when “open source” was still widely misunderstood; fear, uncertainty, and doubt worked because the rules weren’t intuitive to non-specialists.
With hindsight, the line reads like a snapshot of Microsoft at its most defensive: a company treating a rival not as a competitor, but as a destabilizing idea. It’s memorable because it’s cruelly vivid-and because it accidentally admits how contagious Linux had become.
Quote Details
| Topic | Technology |
|---|---|
| Source | Quote attributed to Steve Ballmer: "Linux is a cancer that attaches itself in an intellectual property sense to everything it touches" — cited on Steve Ballmer Wikiquote page. |
| Cite |
Citation Formats
APA Style (7th ed.)
Ballmer, Steve. (2026, January 15). Linux is a cancer that attaches itself in an intellectual property sense to everything it touches. FixQuotes. https://fixquotes.com/quotes/linux-is-a-cancer-that-attaches-itself-in-an-166703/
Chicago Style
Ballmer, Steve. "Linux is a cancer that attaches itself in an intellectual property sense to everything it touches." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/linux-is-a-cancer-that-attaches-itself-in-an-166703/.
MLA Style (9th ed.)
"Linux is a cancer that attaches itself in an intellectual property sense to everything it touches." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/linux-is-a-cancer-that-attaches-itself-in-an-166703/. Accessed 18 Feb. 2026.


