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

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Where should I install cross-compiled programs and libraries?

I've been cross-compiling libraries and programs designed for Linux for my Android device. Given that Android has a very un-Linux-like way of structuring its filesystems, should I install them in ...
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1k views

How do I format my Nexus 5's /sdcard volume?

I have an encrypted Nexus 5, and I want to format /sdcard as ext4 so I can use symbolic links. What steps should I take to back up and restore it, and to prevent apps from trying to use it before it's ...
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1answer
458 views

Partition mounting on Android

On linux, "/etc/fstab" contains the directives how a partition should be mounted (fs type, flags etc.). On Android how it is determined? On my Nexus 7, I see a file called "fstab.flo" in "/" which ...
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1answer
1k views

Where to store (personal) files?

What is the best place in the Android (4.4 or similar) file system to save some documents (.pdf, personal docs, other files, music, ...)? In other words, is there a specific folder where one can ...
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1answer
56 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
488 views

What is the path where GoSMS stores the SMS messages

How say the title I can't find where the sms are stored. I see this similar question but the replies haven't helped me. I have gosms and I want delete all messages, but if I do this option with gosms ...
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4answers
3k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...
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0answers
191 views

Full text search File Explorer

I want a full text search File manager for my Nexus 7. Lifehacker writes about ES but after trying it out, it doesn't do full text search ...
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0answers
268 views

Mount point information for Motorola XT925? (partial fix)

I seem to have messed up my mounting partitions while trying to deodex Stock JB Central Europe. I basically used xultimate to pull the files and deodex then tried using adb shell to mount the system ...
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0answers
68 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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2answers
3k views

How to find the pathname of the swap partition on SD card?

As this warns, you should not enable swap on the wrong partition or you can destroy your phone: OK before we go any further! previous phones had a partition layout where mmcblck0 was the SDcard ...
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462 views

Galaxy S3 internal storage file system issue

Firstly, directories disappeared e.g. Download Secondly, when connecting a Windows 7 computer, Windows consistently shows only the SD card's filesystem without a single sign of the phone internal ...
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1answer
461 views

Samsung Galaxy S4 play edition and exFat

Does the Play version of the Galaxy s4 include support for exFat in the sdcard reader? Or is exFat support one of the extras that Samsung adds to the device (presumably since they made the licencing ...
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1answer
276 views

External harddrive case to spin-down drive when idle

I try to make external 2.5 hard drives automatically spin down when idle and connected to android devices. The device I have got in mind is a HDMI TV-Stick with USB connector. I tried a few ...
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1answer
3k views

Running TRIM from shell

Is it possible to run fstrim in stock android 4.3 from adb shell? I understand it runs every 24 hours when the device is plugged in and idle but I would like to run on demand to test a few theories.
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0answers
2k views

Mount exFAT volume using Paragon exFAT, NTFS & HFS+ app

Device: Mini-PC RK3188 Android: 4.2.2 jelly bean, rooted I am using Paragon exFAT, NTFS & HFS+ to mount and access NTFS and HFS+ volumes. As it states in the application description, exFAT is ...
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0answers
1k 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
564 views

Corrupt Internal Storage File System

I am using an original RAZR that is partitioned using Safestrap running stock 4.1 on one partition and CM10.1 on the other. My problem is the internal storage (internal SD card I believe) partition ...
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2answers
2k 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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1answer
608 views

File Explorer for HTC Desire X - too many permissions asked for?

I have a HTC Desire X running Android 4.0.4 (not rooted) I am looking for a file explorer mainly for 2 things - Just browsing around the file system - Copying an apk from my PC and executing it. I ...
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1answer
198 views

What might cause my phone to spontaneously stop booting into its custom ROM and only reboot into recovery mode?

My phone is a Samsung Vibrant running CyanogenMod 10.0 (Android 4.1.2). I rebooted my phone, as I do every few days, and instead of starting up CyanogenMod as usual, it dumped me into the ...
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1answer
4k views

How do I delete this read only file?

In order to enable USB mass storage mode, I placed a file in the /system/etc/init.d/ directory. My situation has changed, and now I want to remove that file. I know it is safe to remove because I put ...
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2answers
7k views

I modified vold.fstab and lost access to my SD card

Background: I have Samsung Galaxy Ace GT-S5830, which has very low internal memory (181 MB). I have an external micro SD card of 16 GB, but still couldn't install many apps due to insufficient ...
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43 views

Installing Redir (and other binaries) to Android

I'm trying to get my phone to redirect all traffic from the Wifi/3G radios, since some apps won't even run if Wi-fi isn't turned on, to the USB Ethernet interface. I figure using redir would work, ...
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0answers
135 views

Folder hierarchy messed up after upgrading my phone to Jelly Bean!

my HTC Desire X recently got an update to JB 4.1.1 but after the update, the folders are not getting diaplayed in their original hierarchy in the music player apps like PowerAmp and also the default ...
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0answers
59 views

Would any of the advanced Linux/UNIX filesystems be viable on Android?

I know ext4 is already used as an internal filesystem but I wondered if there would be anything gained by using something like btrfs or ZFS? I know they are meant for more server-oriented situations ...
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1answer
803 views

What kind of data is stored in /data/user directory?

It seems to store some kind of application data, but how is it different from /data/data directory?
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783 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
3k views

Link2SD proper usage

I have a 64 GB micro SD card. I partitioned 1.2 GB as Ext2 with Mini Partitioner (highest option was about 4 GB). This is great and all, but from all of the literature I've read, Link2SD seems like ...
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2answers
16k views

Where Android apps store data?

Could you list all possible directories where Android apps may store data, providing description what kind of data are stored in each directory?
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1answer
279 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 ...
2
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1answer
32k views

What are the folders 'burstlyImageCache' and 'burstlyVideoCache' and can I delete them?

I'm interested in the following two folders found on my Samsung SIII: /storage/sdcard0/burstlyImageCache /storage/sdcard0/burstlyVideoCache Together they only come to about 1.5 MB on my device. ...
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1answer
2k views

Why is EXT3 not supported on Android?

Android uses the Linux kernel instead of some "Android kernel", so why is ext3 not supported on Android 2.3?
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1answer
7k views

Android Folder Hierarchy

On Android's root (/), what is the purpose of each folder? I am wanting to learn the folder hierarchy structure of Android 2.3 and 4.x, if they have different folders in "/".
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5answers
10k views

Not all files are visible over MTP

I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card. However when I ...
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2answers
118 views

How to find files related to a process

I was using adb shell to have a peek at what's going on a Sony Xperia Z phone. I've noticed a few services (e.g. com.sonymobile.socialengine.plugins, com.google.android.youtube, etc.). I'd like to ...
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1answer
115 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 ...
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1answer
119 views

Images and videos not readable from SD

first time here and I'm in sort of despair! I recently purchased a 32GB (class 10) memory card for my Samsung Galaxy S2. All went fine, the card was recognized, I could write and read from it, both, ...
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2answers
42k views

How to prevent Android from creating LOST.DIR on SD card?

After the phone restarts, there is a LOST.DIR folder created on the external SD card. Is it possible not to create this folder if nothing is lost?
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1answer
95 views

What's the use of .tmfs folder on SD card?

What is the use of .tmfs folder on SD card? ps. there is only a file in it with Chinese filename ...
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0answers
2k views

Why can't I access the files on my SD card?

I have a Motorola Droid Bionic which I recently updated to Android 4.1.2. Since the update, I can no longer access any of the files on the 32GB micro SD card I installed in the phone. I can view all ...
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1answer
407 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
4k views

BusyBox `ln -s`: How do I create symlink to a directory on external SD-card?

How do I create symlink to a directory on external SD-card? Do I have to edit /etc/passwd and add user or root to the sdcard_r group--since, I see that the /storage/ location is owned by sdcard_r? Do ...
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2answers
75 views

selecting a chime in Caynax Hourly Chime

In Caynax Hourly Chime when I select chime option a dialog with a Search button appears. But while I have some sound file in my SD it do not show them. How can I choose chime file in this app?
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1answer
472 views

Unable to access the “mmcblk0p6” file, on Samsung S5300 Mini Pocket

I have rooted my Samsung S5300 Mini Pocket Galaxy, and I have entrie SDK installed on my Windows 7 laptop. Now via Command Prompt I am able to: adb shell $ su # <--- and get root access ...
2
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1answer
5k views

I'm seeing duplicated images and videos on Gallery

I'm facing a strange situation on my Nexus 4, with Android version 4.2.2. I've being using it for the past 2 months without any issues whatsoever (other than a "regular" battery performance), but ...
2
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0answers
63 views

How can I “Share To” a network folder from my photo gallery?

I have an HTC Thunderbolt running Ice Cream Sandwich If I open up my photo gallery and tap on a picture, the "Share" option appears. Clicking on this gives me some options, such as Facebook, ...
2
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0answers
5k views

USB file transfer only works when HTC One X is connected in internet pass-through mode

When I connect my HTC One X via USB to my PC, I can see my Android storage only when my phone is connected in internet pass-through mode. I set the mode by Settings > More > Mobile network ...
2
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1answer
13k views

Format memory card with NTFS

I have a Galaxy SIII and 32GB memory card. I want format the memory card with NTFS just to get rid of 4GB size per file restriction. How can I format the card with NTFS and even if I format it with ...
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1answer
5k views

Creating App and Swap partition for Android

I have got Karbonn A5+. I dont know how much ROM, RAM it exactly have. When I go to Settings > Applications > Manage Application it shows 191MB used, 11MB free. But, when I open Advanced Task Killer, ...