Then, your Hard Drive is now mounted on Mac. In all disks when you use disk utility in Mac or hack to Partition in GUID Partition Map and format in MacOS Extended (journaled), the first 200+ mb is set aside as EFI for the Clover boot loader and other very important boot Files inside the CLOVER folder. Open it via Spotlight on the top-right comer or Cmd + Space (default short-cut key), and type Terminal. This is the command to create a single partition: diskutil partitionDisk /dev/disk2 GPT JHFS+ NewPartition 0b. Take note of the disk name on the drive you want to partition.
Use the diskutil list command to see a list of drives connected to your computer. If you mount it the EFI will be seen on the desktop. Navigate to Applications > Utilities > Terminal. If you want to edit EFI>CLOVER>ist or kext>10.12 or Other, you need to mount disk2s1. Other Mac operating systems are probably at least slightly different.
MOUNT HARD DRIVE MAC OS TERMINAL MAC OS X
As mentioned at the beginning of this article, these notes pertain to a 2008 model iMac running Mac OS X 10.6.x. And replace /Volumes/usb to any mount point you created for your USB drive. The mount command is necessary because your hard drive is mounted read-only by default, so this re-mounts it in read/write mode. Replace disk4s1 to whatever name your USB stick or external hard drive has got on your Mac.
You can begin with fixing the external hard drive connectivity issue, changing macOS settings, resetting Mac firmware settings, troubleshooting the drive, and finally recovering data from the hard drive. mount -t msdos /dev/disk4s1 /Volumes/usb. This blog presented 5 different methods to troubleshoot ‘external hard drive not mounting’ issue on Mac. If you are referring to the 128GB /dev/Disk2 as your "boot thumb drive", the disk is already partitioned into a 209MB EFI and 30GB Untitled and 97.8 GB untitled 2 Apple HFS+. Finally type the command to mount USB or external drive in single user mode on Mac. Id suppose the options are the same as the mount options (for example, read-only access, etc.). Building a CustoMac Hackintosh: Buyer's Guide If you have an NTFS drive you can use macOS’ Disk Utility to reformat it to FAT32. mountafp is a program launched by mount when specified witht the afp type.