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How do I find out which file system is used by my device's /system, /data and other partitions?

Yogesh Yadav
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3 Answers3

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DiskInfo displays this information (among other things) when you select a partition to view its details. Works with the internal partitions on my Nexus 5, but should also support external SD cards and the like:

screenshot

eldarerathis
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Alternatively, one can use a Terminal Emulator app which requires no usage of adb.

  1. Download a Terminal Emulator of your choice from Play Store here.
  2. Open that app and issue the command mount. You can also use the command df to ascertain the partitions to be looked in the former output.
  3. An alternative for mount is blkid command which shows a much better output for our need.

Note:- 3. requires ROOT access while the other steps can work without it.

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Firelord
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You can use 

adb shell mount

to find out which file system is used by all the partitions of your device. You need to have adb installed, of course, for this to work. You can install adb by using (Windows only)Minimal ADB and Fastboot, or you can install full android sdk, if you wish.

Yogesh Yadav
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