Unix user for 30 years. I took a glance over it, and it seems pretty good, esp. as a starting point. Some people in the thread here are griping about some det

Unix user for 30 years. I took a glance over it, and it seems pretty good, esp. as a starting point. Some people in the thread here are griping about some details (like terminology) but that's not what you care about most when learning. You will evolve your own style of command line usage from what you read and what you are able to remember. Even very skilled people will do things differently.