This paper focuses on the networking services that can be (and to some extent are being) taught using the Linux operating system. First it collates information from recent literature about server and desktop operating systems, allowing the reader to see the position of the Linux in the market.The second part uses a quantitative analysis of networking job advertisements in New Zealand (NZ), to investigate employer demand for Linux knowledge and skills in comparison to other technologies in this job category. Data was gathered for one year to see if trends could be observed and there is a comparison of the results from a previous study.Having identified the level of industry demand for Linux in the first two sections, the final part investigates the extent to which Linux networking services are taught in 89% of New Zealand ITPs. Additional data was gathered about the particular services and subject areas in which the services are taught.