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

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10
votes
7answers
19k views

Sharing files between users in 4.2.1

I have a Google Nexus 7, unrooted, running stock 4.2.1. I have set it up for two user and we seems to be enjoying it. Recently I ran into an issue about sharing files. In User1's account I copied few ...
1
vote
1answer
979 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 ...
2
votes
2answers
109 views

Why is checking Android filesystem possibly harmful?

I just had an idea to do a filesystem check of all Android partitions when I noticed there is an option to do that for /data /system /cache in STweaks app (which comes also with Dorimanx Kernel) but ...
0
votes
2answers
40 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 ...
0
votes
1answer
873 views

How do you get the EmotionSoiD app to load the BIOS?

I downloaded an app called EmotionSoiD which is supposed to be a PS2 emulator for Android here: https://app.box.com/emotionsoid I got it and it installed and runs and stuff, but a black screen pops ...
1
vote
2answers
721 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 ...
0
votes
0answers
405 views

Replacing my default phone application with other one

Can I replace my phone.apk from system/app to a new Phone application such as Swipe Dialer Pro . will it do any harm.there is also one additional apk in system/app called phone service. Apk. what's ...
1
vote
1answer
423 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?
1
vote
1answer
2k 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 ...
0
votes
1answer
55 views

rot13 on all names of files in a directory!

This one has me stumped :-/ I have a non-rooted nexus 7 (2013, Android 4.4.2). There is a directory on the inbuilt sd card and this directory has about 200 files in and I would like to rename each ...
2
votes
4answers
2k 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 ...
0
votes
1answer
2k 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. ...
3
votes
1answer
10k 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 ...
1
vote
1answer
2k 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 ...
0
votes
0answers
495 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 ...
1
vote
1answer
245 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 ...
4
votes
2answers
4k views

Path where Firefox Mobile Addons store their data?

I've installed Firefox Mobile on my Asus eee transformer and installed the scriptish add-on for using some userscripts. Some of them require editing. The problem is I don't know which path contains ...
2
votes
0answers
396 views

“Low on space” message, but nothing appears full

GalaxyS (SGH-I897), running Android 4.0.4 Short problem description I keep getting "Low on Space: Phone storage space is getting low" error in my notifications bar, but neither the SD card nor the ...
0
votes
0answers
3k 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 ...
1
vote
0answers
154 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 ...
2
votes
1answer
396 views

Should the sdcard support case-sensitive files?

I've been testing one of my apps to see how it handles filenames in UPPER-CASE. I thought the Android libraries and system was case sensitive for filenames, however I eventually discovered that files ...
0
votes
0answers
2k 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 ...
0
votes
1answer
2k 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 ...
3
votes
1answer
1k views

SD card directory is “split” on new phone

I moved from a Samsung Mesmerize (Galaxy S, Android 2.2) to a Motorola Electrify (Android 2.3) and the Electrify is reading my SD card differently. My old data is now stored in /mnt/sdcard-ext instead ...
1
vote
1answer
82 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 ...
0
votes
1answer
3k 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 ...
8
votes
2answers
11k 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 ...
0
votes
2answers
15k views

ODEX file: Does every app has one and if yes where are they stored?

I know that .odex files are optimized .dex files. I have seen a lot of .odex files below the path /system on my phone. I am just curious if there are also .odex files for my installed apps. I ...
3
votes
1answer
13k 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 ...
0
votes
1answer
966 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 ...
1
vote
1answer
3k 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 ...
1
vote
0answers
246 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 ...
4
votes
1answer
10k views

Local files revisited: Opening local HTML files (file:///path/to/file) in Chrome on Android 4.x

There are other questions on this same topic, but I'm finding that on 4.0.4 with my HTC One, I can open file:/// URLs just fine with Firefox, but not with Chrome or the Android browser. Those two ...
2
votes
1answer
265 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
votes
1answer
693 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 ...
2
votes
1answer
8k 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.
6
votes
3answers
54k views

How do I get permission to create this file in an android shell?

I'm trying to root a Kindle and I'm stuck. Getting permission denied and don't know how or what permissions to change. mike@Inspiron:~/Downloads/android-sdk-linux/platform-tools$ adb shell ...
1
vote
1answer
419 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 ...
2
votes
1answer
10k 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 ...
0
votes
0answers
80 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, ...
0
votes
0answers
322 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 ...
2
votes
0answers
202 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 ...
8
votes
1answer
2k 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?
1
vote
0answers
2k 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 ...
2
votes
1answer
8k 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 ...
2
votes
2answers
3k views

Android 2.2 - External SD card not working - says “Blank External SD card” — Why?

OS: Android 2.2 Device: Samsung Galaxy S All of a sudden my external SD card has stopped working. Error Notification: > Blank External SD card > > SD card blank or has unsupported file ...
2
votes
1answer
53k 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. ...
1
vote
1answer
726 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 ...
0
votes
1answer
142 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, ...
2
votes
1answer
478 views

SD Card partition named differently on different devices - breaks music player

I have recently moved from a Droid 2 to Droid 3, both running Android 2.3. The same SD card registers as "sdcard" on the D2, and "sdcard ext" on D3. Probably for this reason, I am having problems with ...