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Questions tagged [file-system]

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

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21 views

Should I care about over-provisioning if I plan to use a 400GB microSD card in an Android 9 device?

I bought an LG G7 One and a 400 GB MicroSD card from SanDisk with A2 Application Performance Class rating and I just learnt about “Adoptable Storage” and F2FS file system. (I'm still waiting for my ...
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10 views

Export date information in a list CSV that contains all the files on the device?

I would like to know how to export a list (CSV) of all the files of each of the partitions together with the dates of the last accesses to the files using adb.
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23 views

In which file are stored the home screen datas?

I would like to manage "manually" my Android home screen shortcuts. For example, if I have a shortcut to the StackExchange app, I guess this information is stored in a file. But which one and where ...
2
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1answer
43 views

Why do write attempts to /system/priv-app cause /system to switch to read-only?

I'm trying to write files to the /system/priv-app directory. I boot into recovery (TWRP) and run adb shell. ~ # mount /system ~ # mount rootfs on / type rootfs (rw,seclabel) ... /dev/block/mmcblkXXXX ...
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19 views

Android Files App - Can't acces shown SMB shares

My SMB server (running on a raspberry pi using SAMBA as the server software, setup per this guide) shows up normally in the built-in Android file manager (under the "Network neighbourhood" heading). ...
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20 views

Linux automount corrupts ext4 partitions of Android install?

I've been experimenting with dual-boot between Linux and Android on an x86 device which came with Android + Windows preinstalled (Chuwi Hi10 Pro). I soon found out that simply booting Ubuntu (either ...
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1answer
25 views

How to delete SuperSu and changes it made

I inherited a Moto G3 which I unlocked and installed TWRP and a custom ROM. I foolishly attempted to install SuperSu. It supposedly changes some system files. Now I want it off the phone. In any ...
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1answer
35 views

is there a common symlink in android multi-users, access use's `root directory` ?

On test tablet. There are two users: /storage/emulated/0/AAA --onwer /storage/emulated/10/AAA --nomal user My attempt: adb shell "ls -l /storage/emulated/legacy/AAA" file dot exist. --failed ...
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1answer
53 views

android oreo , /system, /data and /sdcard for media

I am in need of a new mobile and the new kid on the block is Android 8.0 . From what little I could garner it seems there are three partitions by default which happen in an android phone. I come from ...
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0answers
41 views

Ambiguous folders in Google photos' backup selection

Is there any way to view the full paths of the device folders that Google Photos can backup. I have many folders named "photos", etc.
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1answer
136 views

How to access the full file system in Android 7 and higher?

I am running Android Nougat x86.But in Android Nougat, one of the adverse changes is the inability to even view the files. They are invisible, apparently even to root app. I already tried root ...
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1answer
46 views

Accessing music on samba share

I'm in the process of putting a large amount of music ~1.5TB (in many folders) into a samba share on ubuntu. I'm wondering what a good application to stream this to android would be, currently I can ...
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1answer
108 views

Recover hidden pictures from my system

I am currently using Calculator Vault to hide my photos and would like to recover all my photos. But my system does not want to start since this morning. I have the password with which I lock it. ...
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0answers
20 views

file pathway changing

I have a zte n9120 avid 4g phone and whenever I try to download third party stuff I get a failed to download.....stating no sd card no download. I don't have an sd card installed but I've never had to ...
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0answers
25 views

Duplicate photos not recognized by Google Photos app

I was writing a script and ran into some perculiar behaviour. For instance, do something like: newDir='/sdcard/Pictures/NewDirectory/' oldDir='/sdcard/Pictures/Screenshots/' newPic='Screenshot_Copy' ...
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1answer
42 views

DD fails beyond 2GB seek

When I try to use dd to flash images I see some issues when the seek value exceeds 2GB.(i.e. bs * seek >= 2GB). dd bs=512 count=8 if=sample.img of=/dev/block/mmcblk0 seek=4194304 dd: /dev/block/...
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1answer
668 views

Can't create new folders on SD card?

I'm using Lenovo A7000 with Lollipop and I can't create new folders on SD Card. Attempt to create folder on SD card always end with error, however, android phone is not going to tell me what error it ...
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55 views

How to scan internal memory of my Android phone around a certain index entry in order to find lost utf-8/LF (for Linux/Adroid) text?

About a month ago, I already posted this question on askubuntu.com, but nobody was able to give me a proper answer to it. Maybe this was because of the fact that it is actually more of an Anroid ...
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0answers
35 views

Where is the /data/system/called_pre_boots.dat file in nougat release?

ACTION_PRE_BOOT_COMPLETED is published after every system update and this information is available in /data/system/called_pre_boots.dat. However, in Nougat this file is removed. Question: Is this ...
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28 views

Bandcamp music transfered to sd card from PC not playing

I bought an album from bandcamp, and then transfered it to my Samsung S4 external SD card (which is brand new). Now when I go to Google Play Music, the first song is present. All the other songs are ...
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1answer
34 views

Weird folder keeps appearing in the internal memory

I have a Redmi Note 3 Pro handset (2 years old) in which I am using AOSP Custom ROM (Android 8.1). For last 1 year, a weird empty folder is getting created randomly on my internal memory. I generally ...
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2answers
64 views

Unable to mount /data after multiple wiped

Everytime I try to flash anything from TWRP it says "E: unable to mount /data". I have tried multiple wipes and entirely reflashing the os but everytime i finish setting up the phone after wiping it, ...
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0answers
636 views

Dual Messenger - Where are files stored (e.g., WhatsApp)

I had a working WhatsApp (say, WhatsApp W1 in phone PC) in my Samsung J7 Prime, Android 7, recovered with the usual Backup to/Restore from Google Drive, from phone A (PA). I meant to install a Dual ...
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46 views

Correct owers and permissions in /data/data (and correct way to fix)?

I have a backup of the app-data directory /data/data on my sdcard which has screwed up the permissions and probably owners. I'll copy some of the folders from the backup to /data/data. I suppose using ...
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0answers
29 views

System data folder size is 3.5GB on external sdcard second partition

I have created a second ext2 partition on my sdcard and use App2Sd to link apps on it. The problem is, I just discover a folder called system data that is 3.5GB and I don't know why is it and neither ...
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0answers
14 views

How to re-enable recycle bin checkbox in es file explorer pro

Just paid/upgraded to es file explorer pro. Used to have a checkbox to authorize transfer to the recycle bin or not when i deleted files. Now its gone with pro. Is this called an upgrade ? Or where ...
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0answers
39 views

Browse entire file system in “browse” dialog box?

I am trying to use KeePassDroid and when I select the browse button for the keyfile section it shows this screen: As you can see, it's only limited to "Recent, Images, Videos, Audio, Downloads". My ...
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0answers
58 views

Possible to extract a ZIP file saving original file timestamps?

Is it possible to extract a ZIP file preserving the timestamps of the files in the archive ? I'm on a Samsung device running 6.0.1, and every app I've tried saves extracted files with the current ...
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1answer
247 views

Access Android SD from Windows 7 via card reader

I want to backup my sd-card, before using it in my new phone. So I used a card reader to connect it to my Windows 7 notebook. Sadly the partition is not mounted to a drive letter, altough I can see it ...
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0answers
209 views

Mount encrypted emulated avd userdata-qemu.img.qcow2

I'm trying to make a backup of my AVD. To speed things up, I like to make incremental backups. Backing up the *.img.qcow2 file(s) is inefficient. I'd like to be able to mount the filesystem that ...
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56 views

Identifying hidden character in file name

This file name apparently contains a hidden character somewhere: /config/wifi/mac.txt I wrote a script to overwrite this file, but it creates another file with the same name. I copied this file to ...
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0answers
22 views

Share as file on filesystem?

Various apps have a "share" functionality which opens up several providers of media/means to share some piece of content (e.g. send over WhatsApp and many others). Is it possible to have a "sharing ...
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0answers
187 views

Filesystem for sdcard to store large file and apps access

I am running android oreo 8.1 (custom ROM) on Xiaomi Redmi Note 3 Pro. I have a 64GB memory card in which I want to store large files of size 15GB, 20GB etc. So I can't use FAT32 filesystem. I ...
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0answers
443 views

Open local file from Excel Cell in Android

In Android, I wish to open a local file from a Hyperlink in Excel. XLSX file and the linked image are in the same directory folder. I've tried the following: =HYPERLINK("cat.jpg", "Cat") =HYPERLINK("...
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1answer
773 views

still a mystery . thumbdata3 file space & performance hog

I just don't know how to fix this issue. I have tried almost everything and give up. I have read other threads on what to do if there is .thumbdata3 file that occupies a lot of space. my file ...
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0answers
24 views

Is mounting order important?

When executing the mount command on my (rooted) android tablet, I've got (among others) the following records listed (in this order): /dev/block/dm-0 on /mnt/expand/<guid> type ext4 (rw,dirsync,...
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1answer
36 views

What Kind Programming Language Used in File on /system/xbin?

i was explore file in xbin folder, then i found that the file is have strange language like this : ELF( 4�Q4 (444 TTT�>�>�M�]�],�LNL^L^hhh88Q�tdpH1H11��R�td�M�]�],,/system/bin/linker ...
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1answer
122 views

Getting the Europa notification tone off my old phone

I'm moving from a Nexus 5X to a shiny new OnePlus 5T. I like my old Europa notification tone, but it's not on my new phone, and I couldn't find a way to find the file on my old phone without rooting ...
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0answers
35 views

Android doesn't delete folders completely

Redmi 3s, MIUI 9.2 MultiROM Stable. I had some music on SD card in Music folder, then I deleted it (using Poweramp or file explorer, same for both). Tried to send music from PC using Foobar2000 ...
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0answers
718 views

Create Symbolic link to directory in internal storage with terminal emulator

Found this question but it doesn't actually answer the question of why this doesn't work: ln -s /storage/folder_a/dir_of_stuff_I_want /storage/folder_b I get operation not permitted. Also tried ln ...
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0answers
23 views

Android 5.1.1 root ssh create big trash file in /data to override old freed but not wiped content

Hi I freed the storage of /data ( and /data/media/0 ) using TWRP mkfs. What I did was an advanced wipe with TWRP. Now I want to override all the free space of /data with garbage to ensure that my ...
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0answers
105 views

What file system for Asus Zenfone 2 on CentOS 6.9?

I'm trying to mount my Android Asus Zenfone 2 on CentOS 6.9. I created a folder in /mnt/android as the mounting point. I edited the /etc/fstab file in the following way because somewhere in some ...
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0answers
61 views

How to install userscript from file in Firefox' Tampermonkey?

I wrote an userscript on my computer. I'd like to install it on Firefox on Android. I added Tampermonkey plugin to Firefox. What do I do now? I tried to create new userscript and copy-paste the ...
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1answer
415 views

How can one create a file shortcut inside the Android file system?

I don't want to create a file shortcut on the desktop, I want to create a shortcut inside the Pictures folder to the DCIM folder. My mom is able to handle tech stuff, she used to work for HP. But she'...
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1answer
256 views

Link2SD | 1st partition not working / not showing / not detected

My problem is, that I can't see the 1st. partition in the storage informations. Hardware: Sony Android mobile phone (don't know exactly the model; is my girlfriends) Android 4.2.2 Samsung PRO Plus ...
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2answers
53 views

Shortcut to a specific folder

I have an app icon on desktop for "My files" app. But how is it possible to create a shortcut for SD card\books\ on desktop? I have a Samsung a3 non rooted with android 5
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1answer
780 views

Is it possible to have a media folder inside a .nomedia folder?

I have a folder with various folders and subfolders where I don't want my content to be scanned. Inside that folder I have put a .nomedia file to prevent media scanning. Now, I have a single folder (...
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0answers
680 views

Format SD card 2nd Partition as F2FS

Apps2SD supports F2FS for a SD card's 2nd partition. How do I format the 2nd partition as F2FS from Microsoft Windows or via adb?
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1answer
312 views

basic android file system

I have a samsung galaxy 8, new to android from iphone 7. Since this system is new to me I wanted to get a rundown on the internal/sd storage files, where system files are stored, how to find apps and ...
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326 views

Files not visible on MTP mount, but visible in adb shell

To offload some media files from my phone, I connected it to my (Linux) PC through USB, and set it to file transfer mode (MTP) so that the internal storage gets mounted. I see many files, which I can ...