A file system is the logical structure to organize (store, retrieve and update) data on a storage device.

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299 views

Persisting permissions on /mnt/shell after reboot

CWM Nandroid backups are being stored in /mnt/shell/emulated/clockworkmod I want to use DropSync (or something similar) to automatically upload the contents of this folder to Dropbox as a backup ...
2
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1answer
257 views

Why is one folder on my Samsung Galaxy SII not being properly showed on PC?

There is one folder on my device (not in the microSD card) with mp3 files that used to work perfectly but suddenly started to cause a malfunction when I try to open it on a PC. It is said to have no ...
2
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0answers
422 views

What is the /config file in the android root directory used for?

In the / directory of an android device is a file called config what is this file used for? I am assuming it is used for configuration files and other things but my Google searching has not been able ...
2
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4answers
21k views

Files with names with unicode characters get corrupted in SD Card

When mounting my SD Card on my galaxy SIII files and folders in the card with characters that aren't in the ASCII range get corrupted. This happens by simply selecting 'Unmount card' in the Storage ...
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2answers
4k views

Viewing File System through a Windows Laptop

I have a HTC Desire X running Android 4.0.4 (not rooted). When I connect my phone to my Win7 Laptop, from my laptop, this is the filesystem I see LOST.DIR (Empty) ...
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4answers
479 views

Why is there so many identical Android folders?

I was using the ES File Explorer app, when I noticed there's many different folders with all the same content. Like, there's a "legacy" folder, a "0" folder, and an "sdcard" folder, and it all goes to ...
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2answers
8k views

How to manage Android's filesystem from a Mac?

Is there some way that I can explore, and possibly modify, my Android's file system from my Mac? IOW, I would like to use my desktop Mac as the interface to access and modify my phone's filesystem, ...
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1answer
4k views

Terminal “Permission Denied” - Need more info on error message

I am trying to run an executable from the android terminal with root permissions, but I am constantly receiving the following error: [ExecutableName] : permission denied I am confirmed to be loged ...
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2answers
3k views

Is there any userspace NFS client for stock android kernel(Galaxy Tab)?

I have tried kernel-mode things but it is not going to work. Actually i've reached my limit for seeing errors in one day: mount: unknown filesystem type 'nfs' mount.nfs: No such device and many ...
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1answer
96 views

Where is the Home folder?

On my linux system I have a directory in /home where all my personal files and local program configurations are stored. Where does Android store that type of file?
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1answer
185 views

Where should I save images to have them appear in the Gallery app?

Running KitKat, I want to extract a zip file with photos and place them in a folder where the Gallery app will find them. I'm using Android File Manager and Easy Unrar Lite to move files around and ...
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1answer
2k views

Is there an Android web browser which can upload files from a local file system?

I am considering buying and Android tablet and want to know if this function is possible.
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2answers
923 views

How do I grant su rights to the File Manager app?

I'm digging around trying to find a Angry Birds save files but File Manager is lying about what's in each folder. How can I give that app su rights? Can I launch it from the command line after typing ...
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1answer
1k views

Create flash-friendly file system on microSD card (not FAT32)

Yesterday I noticed that I destroyed my just a couple of months old 32GB large microSD card. I wasn't even able to create a new file system on it or change the partition table, so it became completely ...
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2answers
62 views

Where do I store my files such that they can be found?

I'm trying to install an app from an apk file, and I've moved it to my phone via USB; however, I cannot locate it. What would be an easy location to which I could move the apk file such that it would ...
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1answer
105 views

Is Android FAT / FAT32 implementation power failure resilient?

Does the android FAT/32 implementation handle sudden battery removal? I know that Symbian's 'Rugged FAT' (efat32.fsy) and Microsoft's T-Fat implement this, but I've not been able to find any ...
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1answer
901 views

What are `storage/emulated`, `mnt/sdcard`, `storage/sdcard`?

There have been questions about the old sdcard turning into sdcard0, which I understand to be part of the multiuser feature. What I don't understand is the 3 paths in the questions. Some of them look ...
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1answer
68 views

What does deleting a file really do? [closed]

When I run an app, select a file, and choose "delete" what happens then: the file is moved to trash (and later is removed by OS when some conditions are met) the file is removed from the filesystem ...
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1answer
3k views

Why does Android use fuse for internal SD card mount?

The android ICS or later version(JB) use /data/media directory for internal SD card, and use fuse for mounting the emulator internal sd card device (/dev/fuse). As we know if we use fuse, the files ...
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1answer
565 views

The /sdcard direcory and other directory conventions: how is the Android filesystem structured?

I am using the "adb shell" command to access either of an LG P690 (device A) or a Samsung Galaxy SIII (device B). Device A also has a 32GB microSD card plugged in while device B does not. When fromthe ...
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1answer
691 views

How toolbox symlinks work

On my Android emulator, the /system/bin folder contains several symlinks that point to the toolbox binary: # ls -l /system/bin ls -l /system/bin [SNIP] lrwxr-xr-x root shell ...
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1answer
37 views

Replaced /system/bin/toolbox. How to I revert that?

I renamed the original /system/bin/toolbox" to "toolbox_alt". I replaced the file /system/bin/toolbox with a file that was supposed to work, but doesn't work at all. My filemanagers and the most ...
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1answer
45 views

40GB of thumbnails in a 16GB device [duplicate]

I just found that my /sdcard/DCIM/.thumbnails folder grew to more than 40GB. Two .thumbdata3 files each large 20GB. My Galaxy S3 has only 16GB of internal storage. These files prevent me from backing ...
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1answer
405 views

Create a dd image of a Android 4.4.4 for forensics?

I'm a little new to the Android file system, I'm doing a project for a digital forensics class and I want to create a bit-for-bit image of my Nexus 5 running 4.4.4 stock, rooted. The normal way I ...
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1answer
264 views

Android /d folder

On all of my devices there's a folder called /d on two of my devices it's full of folders, on the other it's empty. What is the /d folder? What is it for? And why is it empty on one device?
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1answer
497 views

File deleting problems after Android v4.4.2 upgrade? [duplicate]

Phone: Samsung Galaxy S3 Carrier: AT&T (US) Upgrade Path: v4.2 to v4.4.2 Is anyone else noticing SD card file deleting issues after the upgrade to Android v4.4.2? I use CoolReader to view ...
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1answer
95 views

execute permissions on fuse/fat filesystem

I've successfully cross-compiled Ruby for Android and everything goes ok in the emulator. But while I'm testing these funny things on my device (Nexus4) I noticed that /sdcard (or ...
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2answers
2k views

Restore deleted system

I have formatted the system using twrp now I can't flash the stock rom on my galaxy s3 sprint. I am getting the file_getprop: failed to stat "system/build.prop" status 7 every time I try to flash the ...
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1answer
93 views

Where to place .mp4 files in Nexus 7?

I have connected my Nexus 7 to my Macbook, and I am using the app Android File Transfer. I want to place an .mp4 movie, but I am not sure where to place it. I have tried placing it in the Movies ...
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1answer
212 views

Where is the temp file of recorder in Android?

Galaxy Note2 4.3 Samsung firmware. Recording for 1 hour with the highest quality, accidentally pressed "back" button, nothing saved. Usually the file would be saved automatically even if "back" is ...
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1answer
1k views

Where to find IP address in file system (e.g. proc or sys)

Is there a way to get the IP (v4) address of an interface in the file system of Android? I know I could use ifconfig or netcfg but I would like to use a monitoring tool which can only access files and ...
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1answer
316 views

Make iso of sdcard + data directory

I need to be able to make an iso file of the /mnt/sdcard and /data/ directories on both rooted and nonrooted phones(for forensic analysis). Older phones I can mount to my linux machine and run mkisofs ...
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1answer
6k views

No files accessible after upgrade to CM10

I understand that Cyanogenmod 10 is still in early access, but I installed a cm-10-20120910-NIGHTLY-i9100 build to my Samsung Galaxy S 2 anyways. I had a stock 4.0.4 before. I heard that this problem ...
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1answer
2k views

How to control the file system on Android from Win7 file explorer?

I haven't found any good solution for managing files on my Galaxy S2 from Win7. I've tested Kies and some other software but I'd like to be able to move files, create directories etc. through file ...
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1answer
648 views

Can I delete Zinio pdf files?

There are password protected page1.pdf, page2.pdf, etc... under mnt/sdcard/com.zinio.mobile.android.reader/9380198313/123123231/32123213 etc... Can I delete them?
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1answer
2k views

Can open an HTML file with Browser but not HTMLViewer

I have an HTML file on my SD card. Opening it with "Browser" works as expected. However, if I try to open it with the built-in app "HTMLViewer", I receive the following error message: Web page ...
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0answers
16 views

cannot delete file with strange character

I am using JellyBean 4.1.2. There is a directory with a file that is with stange character. I use many app to delete it but did not success. And I use shell to look at it. When I issue ls command. it ...
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1answer
204 views

How do the various tools to convert a system image to f2fs work?

Recently I've been trying to install a f2fs compatible rom to my old and slow nexus7. I got as far as flashing a new recovery image and reformatting the device partitions to the new file system, but ...
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1answer
60 views

Self replicating worm in sd card

I have a Samsung Galaxy Grand with a 16gb micro-sd card. For some inexplicable reason, I am losing data on the sd card. Folder names are being changed to start with the character "μ." For example, ...
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1answer
48 views

Read/write application data on android

I want to view data of a specific application and ideally modify the data and upload it back. I know the application data files are implicitly protected to prevent malicious application stealing ...
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0answers
57 views

File system content different on device and on desktop

I've got a Nexus 9 which I'm using to read PDF graphic novels. My process for getting the files onto the device is to connect it to my PC via USB and drag the files into the Download folder on the ...
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0answers
43 views

Difference between /mnt/local and /mnt/internal?

I have a WonderMedia 8650 based tablet running Android 4.0.3. The File Manager app shows the internal flash file system as "/mnt/local", I can also see a "/mnt/internal" filesystem that's identical. ...
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0answers
147 views

Change File System of Internal Storage to EXT4

I have an Ainol tablet Novo 7, which has 16GB internal storage in FAT32 format. Due to the file system restriction, it can accept up to 4GB file size only. How can I format the internal storage to ...
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0answers
99 views

Completely Full /system on CM11?

I installed CM11 from this thread on my old Nexus S 4g, thinking I could use it as a tiny server or something. However, it seems that the /system mountpoint, where things like /etc live, is ~100% ...
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0answers
44 views

Accessing temp files created by an application

I have an application that I know writes temp files to the data/data/app-package directory. Using a file browsing app or windows explorer it seems these directories are sufficiently protected. Is ...
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0answers
128 views

How applications read /data directory on not rooted devices

To access directories like /data in file managers the device should be rooted. My phone is not rooted but I see that anti virus applications can read and scan such directories. If reading these ...
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0answers
105 views

How do I change call recorder file destination?

By default my call recordings are saved on the internal phone memory, in the Sounds directory. How can I change this, e.g. to the external SD card? (Android 4.1.2, Omega ROM v49, inbuilt recording ...
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0answers
1k views

Is there a tool to create a symlink?

I'm looking for a tool to create a symlink with Android. I know I can write a script but I don't want to spend so much time when perhaps somebody has a better solution? I know app2sd and link2sd ...
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1answer
398 views

Can I delete a file called 'UPDATE' in the dload folder, or will this delete the operating system?

I recently received low space warnings on my Huawei Honor so I connected my phone to the Mac and observed the files: As you can see, perhaps 75% is taken up by a file called 'UPDATE' in the dload ...
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1answer
145 views

Android phone file structure seems corrupted when connected via USB

so I have a Sony Xperia Play, and it's worked for awhile, but now I'm finding that sometimes when I plug it into my MacBook through USB, and try to copy files from the EasyVoiceRecorder folder onto my ...