It’s important to keep in mind that if you run the eraseDisk command, the target disk is going to lose all its data, so make sure you are erasing the proper disk. The syntax is going to look like this: Diskutil eraseDisk JHFS+ Empty /dev/disk5s2 Let’s say the disk I want to erase has “/dev/disk5s2” as its identifier and I’m going to use Mac OS Extended Journaled (JHFS+) as the system format type and name it “Empty”. This is the syntax we need: Diskutil eraseDisk FILESYSTEM DISKNAME DISKIDENTIFIER Then pick a name and a system format type. Once you have found the proper drive to erase, just copy its identifier so you can use it for the next command. This is going to list all the mounted drives on your Mac. Start off by running the following command in the command line: Diskutil list Here I'll show you how you can erase and format a disk using the command line. To do that, the only thing you need is a bit of precise syntax to make sure that you are erasing the proper disk. hdiutil program that ships with macOS, there is no easy way to configure the. Using hdiutil for such a task is helpful for scripting or remote connections through SSH.

it as part of your own build process using the built-in command-line tool. dmgbuild is a command line tool to create macOS disk images (aka. A helpful command line tool called hdiutil is included in Mac OS X that allows disk image files (.dmg extension) to be mounted directly from the Terminal, without the need of using the GUI.

But some Mac users might need to erase them from the command line on Mac OS. DMG Canvas is a visual layout editor and automated building tool for disk. Most users use Disk Utility to erase a disk or hard drive.

Mac disk image command line