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

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960 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
3k views

Moving apk to system/app. Operation failed

I have rooted my Nexus 5 and am trying to move an apk to the system/apps directory but keep getting "Operation Failed". I am trying to move from the /data/app directory to the /system/app directory to ...
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1answer
59 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
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, ...
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1answer
524 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
70 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
31 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
457 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
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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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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1answer
7k views

How to format /storage/sdcard0 in ext4

I tried to create a symbolic link on the "internal SD card" of my Galaxy SD2. It failed with "permission denied" and I quickly realized this file system is vfat. How can I reformat /storage/sdcard0 ...
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1answer
288 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
496 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
972 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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1answer
38 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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2answers
387 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
73 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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2answers
2k views

Can't remount /system in rw

I try desesperately to push an app with adb on the /system/app folder (to install the PlayStore on my low cost tablet). So i tried to remount the /system partition with root rights : mount -o ...
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0answers
114 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
72 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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849 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
297 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
117 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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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
510 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 ...
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0answers
149 views

How to hyperlink to file in KingsoftOffice?

I have an Excel spreadsheet created in Windows and open in Kingsoft Office. I would like to be able to create a hyperlink to specific files on the tablet itself. For example, I want to be able to ...
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0answers
46 views

Where is the music folder Android 2.3 [duplicate]

I have a file exploring program, but I can't find the folder with my google play music. I used google play to download music to my phone (not the SD). I would like to transfer the music to my SD, ...
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343 views

Expand file sysem to entire sd card

I followed very simple instructions http://liliputing.com/2012/03/how-to-dual-boot-cyanogenmod-7-nook-tablet-os-with-a-microsd-card.html1 for extracting cyanogenmod to an sd card for dual booting ...
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2answers
407 views

Auto-delete certain file extensions on my phone?

How do I make my phone automatically delete certain file extensions? I'm on ICS, rooted. For example, after connecting my phone to my mac, it will leave a .trashes file and other "." folders on my SD ...
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0answers
571 views

Any way to use another name for the external_sdcard folder?

On my Android tablet, the SD Card is shown as an external_sdcard folder, no matter how I rename the card. Personally I don't like the auto-assigned folder name. Is there a way to use a different ...
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0answers
600 views

Why would /mnt/sdcard/ not appear?

Using ADB shell to view my Samsung Galaxy Tab 7+, I see a /mnt but no /mnt/sdcard/ where according to fable the photos taken by the camera should reside. Why would the sdcard directory not be there? ...
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0answers
24 views

could someone please post a screenshot of the default file structure of the sd card for Android 2.3.5? I [duplicate]

Possible Duplicate: Which files/folders on my SDCard are unsafe to delete manually? I have searched the internet for what I felt would be a simple question. I have had my Evo for almost 18 ...
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0answers
144 views

Where are the hidden videos and pictures from Camfiler's VS and/or PS apps?

In Camfiler's PS and VS programs where are my hidden videos and pictures on my SD card for when I back up my card to my computer?
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0answers
32 views

Retrieve deleted file Android droid 2 [duplicate]

Possible Duplicate: How can I recover a deleted file on Android? I deleted a file from my droid 2 -Android 2.2. I am not trying to retrieve the file(jpg). I have used Astro to look at the ...
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1answer
294 views

Please explain the android partition structure to me?

I've tried finding the answer myself, but everything that I am able to see seems to miss out the really basic first steps. Here's my logic: FIRST Look at the phone's specification. Lets say Samsung ...
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1answer
1k views

Find what is creating folders on SD card

I got two useless folders on /sdcard/ (baidu and baiduMapSDK) and even though I delete them, they will generate automatically. How can I know which application or which process created these two ...
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1answer
347 views

How can I get file from /data/data/com.myapplication?

I need to get an internal file out of the filesystem in tact. I see the file, using ES File Explorer, located in LocalDevice/data/data/com.myapplication/file/user.json. The device (Nexus-7) is rooted. ...
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2answers
121 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
756 views

Information regarding /proc file system

Yesterday I rooted my android phone. By using Es File Explorer when I see the file listing then I find various folders. For the sake of curiosity I would like to know that what the proc file system ...
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1answer
330 views

Where are binaries installed?

I just recently rooted my phone so I could install SL4A. I want to execute some commands via a Python script, specifically turn Google voice off for all calls, make the call and then turn it back on. ...
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1answer
1k views

Filesystem created and last accessed times

Why doesn't Android keep track of the created and last accessed times as well as the last modified time for files in the file-system?
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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
28 views

Why can I see '/' in a file manager when my device is not rooted?

My device is not rooted: I have rooted it before, but I did a full factory reset using the Nexus Factory Images. Root Checker tells me it's not rooted, and SuperSU tells me that it cannot find SU ...
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1answer
19 views

How can I place a text file on my homescreen for editing?

I would like to place a textfile from my SD-card todo.txt on my home screen so I can click on it to edit the content and when I close it only that file would be saved. Ideally there would be a git ...
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2answers
1k views

How do I make /sdcard link point to external SD Card on Android 4.4.2?

I've got a Samsung GT-I9505 phone with Google Edition Rom installed. As my phone comes with 16Gb internal storage, I bought a 32Gb microSD. However, the phone still uses emulated SD card to store all ...
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2answers
20 views

I deleted folder in / and I want to make the folder exist again. Does it start with Capital letter (SEE picture)

`I deleted the folder symlinking to /storage/sdcard0 and I want to restore the symlink but I'm not sure if I should make new folder starting with s or S there should be folder named ?dcard does it ...
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1answer
45 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
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 ...