How to format USB thumbdrives, SD cards and External Hard Drives in PureOS
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How to format USB thumbdrives, SD cards and External Hard Drives in PureOS

Open the application Disks

Then in Disks:

1 - Select the correct device to be formatted (USB, SD Card, External HDD), from the left side panel

IMPORTANT: Be absolutely sure you selected the device you want to format. You do not want to risk accidentally deleting the wrong drive.

2 - Press the wheel button

3 - Select the option Format partition

1 - Write the name you want the device to have

2 - Select the file system the drive will have

Some tips on file system options

FAT is the most common for a USB and is recognized in all operating systems (GNU/Linux, Free BSD and others)
NTFS is windows based for external harddrives, but it can be read in Linux
Ext4 is GNU/Linux specific and will not be recognized in other Operating Systems like Windows.

3 - Press Create