> For the complete documentation index, see [llms.txt](https://documentation.hak5.org/packet-squirrel/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.hak5.org/packet-squirrel/getting-started/usb-flash-disk-support.md).

# USB Flash Disk Support

The Packet Squirrel supports USB flash disks formatted with either **EXT4** or **NTFS** file systems. This is of particular importance since most USB flash disks come pre-formatted with **FAT32** file systems and must be reformatted before use with the Packet Squirrel.

### WINDOWS USERS

With a USB flash disk connected, open Explorer and navigate to This PC. Right-click the USB flash disk and select Format. From the file system options, select NTFS and click Start. A volume label may be added for convenience. A quick format is all that is necessary to provision the drive.

![](/files/-MiXADKjFrkIrSc9GX-f)

### LINUX USERS

Most Linux distributions include the “Disks” utility. With a flash disk connected, launch Disks. Select the USB flash disk then click the gear icon and choose format. From the format volume menu, choose EXT4 from the type options and click format. A volume label may be added for convenience. 

![](/files/-MiXAGoj3X9HzFfTSw6z)


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