1. Acronym for the Santa Cruz Operation.
2. A company with little or no moral codes, with horribly dishonest PR workers (Blake Stowell) and who uses the media to boost their already inflated stock price. This company seeks to charge money for Linux because it supposedly contains stolen lines of UNIX System V code, however, they have yet to prove their accusations in the form of lines of stolen code, documentation, etc.
3. A business model which is based on an RIAA-like model of "sue and alienate customers", however, involves taking large companies to court and just randomly sending out licensing requests for software which they don't hold the copyrights for.