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| Model | Example |
| -------------- | ----------------- |
| Distribution | Red Hat |
| Support | LinuxCare |
| Training and Education | O'Reilly |
| Custom Development | Cygnus |
| Hardware Systems | VA Research |
| Hardware Appliances | Cobalt Networks |
| Hardware Accessories | Cyclades |
| Open/Closed Mix | Sendmail |
| Loss Leader | Netscape |