Secure Copy is a UNIX standard used to transfer files from one computer to another. He's how to use the function in macOS, all via the Terminal window.

The Finder's abilities to copy files is usually adequate, but sometimes when managing large data transfers it can introduce some burdensome quirks.

If you would like to verify two copies of files or two mirrored directories, there are some Terminal commands that will let you do just that.

Dragging files around the Finder was life-changing in the 1980s after decades of entering commands in a terminal or shell that required precise syntax. Decades later, some of us may have forgotten ...