I updated the below or GNU-Linux-Tools-Summary page by adding few resources to it. I have already reached out to Gareth or its author and he reviewed my resources. I have got his approval. http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/index.html http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/GNU-Linux-Tools-Summary.html