COMFILE Technology's Documentation Library

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====== Access the SD Card's OS Partition Using Windows 10 ======

After installing the ComfilePi's OS image to an SD card, it will have 2 partitions. The first partition called "boot" is a FAT32 partition and contains files like config.txt, cmdline.txt and many other files for booting and configuring the system.

{{ :comfilepi:partitions.png }}

However, the second partition just shows up as a "Removable Disk" in Windows and cannot be accessed.  This is because the partition is formatted as an [[https://en.wikipedia.org/wiki/Ext2|ext2 filesystem]] which is commonly used in Linux.

Recently, [[https://devblogs.microsoft.com/commandline/access-linux-filesystems-in-windows-and-wsl-2/|Microsoft released an update to the Windows Subsystem for Linux 2]] that enables features for mounting an ext2 filesystem on Windows.  That feature can be used to read and write files on the ComfilePi's operating system partition using Windows.

  - [[https://docs.microsoft.com/en-us/windows/wsl/install-win10|Install the Windows Subsystem for Linux 2]]
  - After inserting the SD card into a Windows 10 PC, run ''wmic diskdrive list brief'' in a command shell

{{ :comfilepi:list.png }}