The filesystems supported by the Android kernel can be determined by checking the contents of the filesystems file in the proc folder. The content of this file can be viewed using the # cat /proc/filesystems command:
Filesystems on an Android device
In the preceding output, the first column tells us whether the filesystem is mounted on the device. The ones with the nodev property are not mounted on the device.
The second column lists all the filesystems present on the device. A simple mount command displays different partitions available on the device, as follows:
Partitions on the Android device
Next, let's look at the common filesystems on Android.