Post #1991321

My old Mac Pro won’t start from the macOS partition, so I’m trying to reinstall macOS. I’ve booted from the installer, and I’m using Terminal to copy files to another drive so I can wipe the main one. I set a `cp *` going and walked away. When I came back, the computer was… asleep… mid file copy. At least it’s continuing, but it’s not done yet. Is there any command that will keep macOS from sleeping? This is in Terminal in the high sierra installer, so I don’t have access to system preferences/settings.