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1. Summary

I don't find, how I can view, which folders and files are the biggest in my system data. So I can manually decide which files to delete and which not.

2. Expected behavior

Ideally to have behavior as in SpaceSniffer Windows program.

SpaceSniffer

SpaceSniffer can show sizes of system Windows files.

I can't get similar behavior for Android.

3. Data

  • ASK Benefit S401
  • Android 5.1.1
  • CyanogenMod 12.1 ROM
  • Rooted

When I install CyanogenMod, system data size — ~700 MB; at the time — ~1,5 GB.

Several hundred megabytes — apps data, for which I would consider the possibility of removal.

4. Not helped

4.1. SpaceSniffer Android alterntaives

All doesn't show system data files and folders.

I don't find another DiskUsage alternatives, that can help me.

5. Do not offer

  1. Yes, I understand that operations with system Android files may be risky. I understand that I do actions at my own risk.
  2. Yes, I know about SD card partitioning, and I move all my apps to SD card use Apps2SD.

  3. Yes, I can view system data files, use any file manager, that support root — I use Amaze, — but I don't find file manager, that:

    • correct sort folders and files in system data
    • show files/folders size of all files in screen.

6. Related questions

My question is not duplicate for these questions; please look carefully.

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1
  • SDMaid is also a good app.
    – Irfan Latif
    Commented Jan 29, 2019 at 19:56

2 Answers 2

Reset to default
1

Install Solid Explorer and grant it root access. This is the most feature filled file manager that I've tried. Visit the Root (/) partition, click three dots on top right and properties. There you can see a breakdown of the content, file types and top 20 files (it does take a while to index this).

Solid Explorer example

Alternatively with a terminal emulator use the common Linux tool du and sort by size:

du -ah(x) | sort -n -r | head -n (number_to_show)

I tried to find a build of ncdu for Android which would be ideal but no luck. If you have Ubuntu/Arch/some other system with a package manager installed you could simply apt-get it.

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  • 1
    One problem: Solid Explorer is a great tool, but not FOSS :( . Thanks.
    – Саша Черных
    Commented Jan 23, 2019 at 8:10
  • @СашаЧерных true that's why I was a bit hesitant providing it GDrive access. SFTP to my VPS works really well though.
    – trishmapow
    Commented Jan 23, 2019 at 10:04
  • If you haven't tried termux you might want to check it out. It gives you a terminal with apt and doesn't require root. It has a package for ncdu. play.google.com/store/apps/details?id=com.termux
    – nobled
    Commented Apr 10, 2021 at 5:42
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I have tried five or six apk installed file management space app that can obtain root permissions. In addition to https://f-droid.org/en/packages/com.google.android.diskusage/, other apps are very, very slow to index, may be associated with magisk or partitions? So I chose to su root permissions using adb shell.

Both ncdu and gdu (more feature-rich than ncdu) have compiled arm static binaries. Can be used directly in adb shell. The specific method of use can refer to https://android.stackexchange.com/a/256220/397711

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