> The class notes were for the previous major release of BSD than the one we were using The fundamentals should barely change from version to version (indeed:

> The class notes were for the previous major release of BSD than the one we were using The fundamentals should barely change from version to version (indeed: many command line tools under UNIX are decades old - which - of course - does not mean that they are bad). So if you learn them with the previous version, it should be really easy to get the small differences to the current version.