Why is my mac terminal's ps -u not working?
问题 I am learning the Linux ps command and its possible arguments. My tutorial told me about the -u argument and I am trying to use it. No matter if I use it alone or with other args, it is throwing errors. I am inserting a picture of the output I keep receiving. I'm not sure if this is something to do with my Mac's terminal/shell, or if I am missing something that I should be typing. It seems to be telling me to use two hyphens, --u, instead of one, -u, but it gives me the same issue. If I JUST