Ian Richardson wrote: > hey. > > Please can you tell me what the difference is between... > > yum update > yum upgrade > yum install > > because they all appear to do different things. Is it possible to get it > to run all of them at the same time? The yum man page outlines the similarities and distinctions quite adequately. If you have specific questions not covered by 'man yum' or 'yum --help', please feel free to ask them. You can only specify a single "command" per yum instantiation, i.e. one of upgrade|update|install. Joseph