The #1 thing I miss from Linux while using a Mac is strace. Recently I found out about fs_usage that does part of what strace does and I was SO happy.

(I’ve also tried dtruss/dtrace etc and a couple of other things which I have failed to get to work, I’m not willing to turn off SIP)

For example here’s me looking at what config files fish opens:

(for some reason I can’t grep fs_usage’s output directly, not sure why)