- Reformatting flash drive mac for ma and windows how to#
- Reformatting flash drive mac for ma and windows mac os x#
- Reformatting flash drive mac for ma and windows mac os#
- Reformatting flash drive mac for ma and windows software#
- Reformatting flash drive mac for ma and windows password#
MBR refers to Master Boot Record, whereas GPT refers to GUID Partition Table.
However, there exists more than one partition table, the most popular ones being MBR and GPT. By default, macOS uses MBR when you format a USB drive on Mac from the Terminal. *You might notice that you get no option to choose a partition table (GLOSSARY). Sudo diskutil eraseDisk exFAT Untitled /dev/disk2 In this example, the command looks like this: A single-digit mistake (for instance by typing disk0 or disk1 instead of disk2) could result in erasing your internal drive or another drive which wasn’t meat to be formatted. Unlike with the Disk Utility tool, the Terminal will give you NO WARNING before formatting the disk (and thus erasing its content). MAKE SURE THAT YOU ARE USING THE CORRECT DISK WHEN EXECUTING THIS COMMAND.
Reformatting flash drive mac for ma and windows password#
is the name and location of your pen drive, which usually looks like “/dev/disk2” or “/dev/disk3”.Īs we use the “sudo” command, you will be asked to enter your login password the “sudo” command means that you are executing a command as an Admin. is the name you want to give to your pen drive.
Reformatting flash drive mac for ma and windows mac os#
JHFS+ refers to the Mac OS Extended Journaled format, which is proprietary to Apple and can only be used on macOS. For reference purposes, exFAT and FAT32 are compatible with Windows, macOS, and Linux. For a complete description and compatibility list (as not all formats are compatible with all operating systems), see this article. There are many file types available when you format a USB drive on Mac, such as exFAT, FAT32, JHFS+, etc. is where you choose which format you want to use when erasing and formatting your pen drive. To format your USB drive on Mac, enter the following command: As for the location, it is usually /dev/, or in this case /dev/disk2. The one that we want to remember is the first identifier, in this case, “disk2” (and not “disk2s2”, which is a partition). That is unless you had previously partitioned it, in which case it might have more than two. You will notice that your pen drive has two identifiers. Now that you know the disc allocated to your USB key, you will need to take note of its identifier and location. Otherwise, look for the particularities of the pen drive you wish to use. It will be easier if you have a single flash drive inserted when wanting to format a USB drive using your Mac. If you see the words “internal,” “synthesized,” or “disk image,” it is not a pen drive. When it says “(external, physical),” it means that it is an external drive such as a pen drive or external hard drive. You can identify your pen drive by the following: You will find a list of disks in the example above, you can see that my USB key is the external drive located on disk 2. Make sure that you have inserted a USB drive before continuing.
The first thing we will want to do is to identify the computer drive linked to your USB key.
Reformatting flash drive mac for ma and windows how to#
How to format a USB drive on MacĪccess the Terminal by doing a spotlight search for “Terminal.” Just as with the Disk Utility method, macOS Mojave offers a simple, efficient formatting procedure through the use of its command line.
Reformatting flash drive mac for ma and windows software#
Its use allows you to execute commands that provide the same result without having to rely on software applications. Even though using the Disk Utility tool to format your USB drive on Mac is a straightforward procedure, sometimes you might want to use the Terminal.
Reformatting flash drive mac for ma and windows mac os x#
In the sheet that appears click the Partition button and your flash drive will be formatted as a Mac OS X Extended (Journaled) drive.This article explains how to format a USB drive on Mac using the command-line. Choose Mac OS Extended (Journaled) from the Format pop-up menu and click the Apply button. To do so, select the drive in Disk Utility, click the Partition tab, select 1 Partition from the Volume Scheme pop-up menu, click the Options button, choose GUID Partition Table or Apple Partition Map from the resulting sheet (GUID for Intel Macs or any Mac running 10.4 or later or Apple Partition Map for PowerPC Macs running any version of Mac OS X), and click OK. Should you desire to format the drive as Mac OS X Extended (Journaled), you’re welcome to. When copying that same folder from the flash drive to my hard drive the two were close-1 minute 36 seconds for the OS X Extended format and 1 minute and 40 seconds for the MS-DOS format.
It took 7 minutes and 42 seconds to copy the folder to the drive when it was formatted using MS-DOS (FAT) and 8 minutes and 27 seconds when the drive was formatted using OS X Extended (Journaled). In fact, when copying a 2GB folder to a SanDisk U3 Cruzer Micro USB flash drive I found the opposite to be true. I’ve seen claims on the Internet that formatting these drives in the Mac OS Extended (Journaled) format speeds up transfers.
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