Study lauds open-source code quality | CNET News.com
The Linux defect rate was 0.1 defects per 1,000 lines of code, Reasoning found. The rate for the general-purpose operating systems–two of them versions of Unix–was between 0.6 and 0.7 per 1,000 lines of code. The rates for the two embedded operating systems were 0.1 and 0.3 per 1,000 lines of code.