It is those partitions we’ll mount and unmount, NOT the physical drive. Make a mental note of the latter: you’ll see that we have a physical disk (like disk0), on which several partitions may have been created.
dev/disk0, /dev/disk1, etc), as well as with their respective partitions if available on the right (like disk0s1, disk1s2, etc). You’ll see output like this:Ģ: Apple_HFS Macintosh SSD 511.3 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ģ: Apple_HFS Mac HDD 1TB 999.9 GB disk1s2Īttached drives are listed with their physical locations on the left (i.e. To see what’s currently attached to your Mac, let’s use the diskutil command, followed by the word list. Fire up a Terminal session and see how to do it. However, there is a way to do this via the command line, of which I am a big fan. Mounting usually happens automatically when a new drive is inserted into a USB port or SD card slot. Unmounting external drives on a Mac is usually done quick and simple by either dragging drive icon to the trash, or by using the eject symbol in a Finder window.
