Questions tagged [command-line]

A "command line" is a text interface to enter commands interactively. In our context, it usually means a "Unix Shell" in a terminal app, or the ADB shell on a computer to interact with an Android device.

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119 views

Arduino heart rate sensor bluetooth terminal upon event command

I have an Arduino uno r3 set up as a pulse/heart rate monitor, I have a HC 05 bluetooth module set up so i can connect with my android phone, i get the reading on my android phone in a "heart rate is ...
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515 views

SD card root access

Hey I just wanted to ask how it is possible to access my sdcard data with command lines on a rooted phone ? I tried to ls in /sdcard, also in /mnt/sdcard/ but my files are never displayed, yet a ...
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How to access GNURoot Debian executables from outside the app?

I've just setup GNURoot Debian and I could install Python 2.7. However, I'd like to run Python 2.7 outside of the GNURoot Debian Terminal Window. For example, if I ssh into the device, I'd like to be ...
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1answer
2k views

How to open an URL in Chrome Incognito Tab by launching the Incognito Activity?

Is there any way to open a link in Google Chrome's Incognito Mode from the Terminal ? I tried this but it didn't work: am start -n com.android.chrome/com.google.android.apps.chrome.document....
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Run Android on Android?

We know it is possible to use chroot to run full Linux on android, also support Xserver (GUI).So, it should also be possible run another android on an exist android ? for example, using chroot to run ...
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737 views

adb devices -l not showing USB qualifiers?

I've read in several places that calling adb devices -l will return the both the serial numbers and USB qualifiers for the attached devices. However, when I issue the command I only get the ...
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1answer
1k views

Auto refreshing the signal

When we go to the area where signal is not reachable, we experience "Emergency calls only" or "No service". But after coming-out from that area we sometime found phone is not receiving signal and ...
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2answers
21k views

How to change “Preferred Network Mode” using adb without reboot?

I'm trying to change my phone's (CM 12, Stock 4.2, both rooted) preferred network mode from "GSM/WCDMA" (0) to "WCDMA only" (2) and vice versa (there can be other modes too), using command-line only. ...
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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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1answer
4k views

Why 'am start PACKAGE' cannot launch some apps and shows an error?

I keep having an error trying to start some apps using am start command. It works for many, but for some apps I get the same error mentioned below: #adb shell am start com.amazon.venezia Starting: ...
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1answer
2k views

Why do Linux commands not work properly on Android?

> adb shell sh-4.1$ ls -F -F: No such file or directory -F switch works fine on my Ubuntu. Why doesn't it work on Android? Is there a way to make it work?
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291 views

Is it normal for a USB OTG converter to show in lsusb

When running lsusb (not as root) with an OTG adapter plugged in without anything plugged into it I get : u0_a83@flounder:/ $ lsusb Bus 001 Device 001: ID 1d6b:0002 Bus 002 Device 001: ID 1d6b:0002 ...
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2k views

Get package name of an app given its displayed name using ADB commands

I'm trying to: Get the package names of all apps on my device (none of them are mine so sadly I can't get it from the Manifest) and put it into a file to save for a class project. I also want to get ...
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868 views

Cause and solution of “Error: Unknown operation string: <OP>”

First of all, the following command works perfectly fine on Android 5.1.1 (CM, PA and Tesla ROM builds): adb shell su -c 'appops set android SYSTEM_ALERT_WINDOW deny' The said command blocks Android ...
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1answer
4k views

How do I screen pin an app in Android Lollipop using command-line?

I'm aware that I can go to Settings → Security → Screen pinning → On, and then tap Overview → touch the pin icon on the app listed there and it would be pinned, effectively putting ...
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2answers
21k views

On Android can I write scripts (similar to Win .bat files) to combine several command line commands?

On Windows, I can run two commands using a .bat file. How can I achieve the same thing on Android For example: update my podcasts by calling pcastclient /updateALL force sync of my pictures ...
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1answer
2k views

TTS speech from console

Can I synthesize arbitrary text strings with TTS from the Android's console? To give the idea, on Debian I would do: festival --tts <(echo Buongiorno signore) The TTS engine needs to be always ...
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1answer
24k views

Error “Function not implemented” when creating symbolic link

I'm trying to execute this command busybox ln -s "mydir/" "$PWD"/mylink in order to create a symbolic link from mydir; that, I am receiving the following error ln: /mnt/shell/emulated/0/mylink: ...
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1answer
36k views

How do I install missing command line tools onto an Android device?

Android installations do not always have all the tools one would expect to have on a Unix-like system. For example, right now I have a problematic device which doesn't have find CLI utility. I mean, ...
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2answers
5k views

Where should I install Toybox?

I own a rooted Samsung Galaxy S Relay 4G running stock Android 4.1.2. If you have Android 6.0 "Marshmallow" or better, then you have Toybox. This is a package of command-line tools, handy for ...
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557 views

Using command-line to boot into primary and secondary ROM of MultiROM

I've a OnePlus One with unlocked bootloader, modified TWRP v2.8.6, unofficial MultiROM v32k, MultiROM Manager v1.186, Cyanogen OS 12 as primary and several Android 5.1 secondary ROMs. I don't have any ...
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android command line shell

I have a Nokia X running Android 4.4.4 and I have Terminal Emulator and Busybox 1.24 installed but I can't still find some useful commands to perform several operations with the command line interface....
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1answer
896 views

Acquire Android image using flash drive OTG

In Linux, the dd command is used to pull the image from the smartphone to computer. And of course, the smartphone need to be rooted before the dd command launched. Is there any specific command or ...
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1answer
1k views

Why does Terminal Emulator for Android has completely different commands comparing to GNU/Linux?

I installed Terminal Emulator for Android hoping I could easily get root access,install apps via terminal etc.So,thinking Android is a Linux distribution,I felt that it must have a terminal emulator (...
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788 views

How can I install e2fsprogs on my device?

My phone has the "Monkey Test" virus and there is solution in here, but when I try to execute this command: chattr -iaA providerCertificate.apk I receive the error "chattr : not found". I found a ...
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1answer
6k views

How to delete a file (e.g. malware app) that cannot be even removed with root access?

I have root access in my device, but there is a malware in /system/app/ that I can't delete. This malware installs TimeService, MonkeyTest, and also some other apps like DR battery and privacy guard, ...
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1answer
10k views

Getting mount's usage suggestion when attempting /system remount [duplicate]

I'm trying to remount system on a rooted Samsung GT-S6102 running Android 2.3.6: # mount -o rw,remount,rw /system Usage: mount [-r] [-w] [-o options] [-t type] device directory This is exactly like ...
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2answers
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Command to list partitions? [duplicate]

I want to list the partitions on my phone - system, boot, recovery etc. What terminal command should I use? The mount command just lists mount points.
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5k views

Using the Cerberus shell to input commands

I'd like to use the Cerberus shell to input commands like taps, swipes, and text. I know how to do it using the command line and ADB shell, but I don't have USB debugging enabled on my Nexus6, so I'm ...
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1answer
4k views

Check OpenSSL version in Android with Java runtime or shell command

I have a problem with checking OpenSSL version in Android device. I've tried to grep OpenSSL from system/lib/libssl.so with java runtime.exec, but it doesn't work? Anyone can help me, how to make a ...
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1answer
501 views

ADB- Cannot get the Path variable to work for ADB

I am unable to execute ADB from CMD after adding it to the Path Variable. I am able to launch it from the folder when I open a Command Prompt there. But I am unable to launch ADB straight from CMD ...
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535 views

Enable bluetooth tethering via command line

Is there a way to activate the bluetooth tethering mode in Lollipop using the command line? You can do it for usb tethering by running the command service call connectivity 30 i32 1 Is there a similar ...
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1answer
552 views

DNSCrypt error: could not load library “libsodium.so”, on Asus Zenfone 2 running Android 5.0

I tried installing DNSCrypt on my Asus Zenfone 2 device. But when I try to run it it gives me this: root@Z008_1:/ # dnscrypt enable Enabling dnscrypt... iptables: No chain/target/match by that name. ...
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1answer
3k views

How do I get list of all application packages together with their activity label from adb shell?

Sometimes I have a trouble matching application's package name in /data/data/ or /data/app/*.apk with the user-friendly activity label I see in GUI. How do I list application packages together with ...
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3answers
14k views

Enable On-screen navigation in CM12 (Lollipop) using shell?

Device: OnePlus One (OPO); running CM12, is rooted, and has Xposed Framework installed. I need to enable On-screen navigation (it disables Hardware (HW) keys and shows soft keys at the screen; like ...
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2answers
26k views

How do i open a text file from a terminal window from within the android gui

I'm trying to open a text file from within a terminal window emulator -- but not so it opens in the actual terminal but more like I've just clicked on it. So my question is: What command can I use to ...
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1answer
185 views

find command says: unknown group XYZ

This question is the next part of this question. I'm trying to use find command (Android 4.2.1; Busybox installed, have root access) to list files owned by a specific group under /, but every time I ...
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1answer
3k views

How to launch apps from terminal

In linux I like to launch the applications from the terminal. Most of the time it is the fast way to launch apps especially on repeated use. In android there are good launcher like Fast app search ...
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0answers
371 views

Ngrok (compiled for Arm5) crash on android: can't find core dump files!

I downloaded Ngrok which I want to install on a old HTC Hero [the project is to transform the phone in a ipcam, reachable behind a NAT network], so I chose the version compiled for Arm5. You can find ...
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2answers
8k views

How do I display message from from `adb shell` (or a shell script)?

I expect it to be something like adb shell am start SomethingArcane ... "Hello, world" and the message box pops up on screen, saying "Hello, world".
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1answer
2k views

HTC Desire - phone's dead

I was trying my application on HTC Desire when I realized there was a problem with the app so I force stop it. Next thing is the screen freezed - HTC white welcome screen. I tried rebooting several ...
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0answers
2k views

How can I change preferred network type through a script (or terminal command)

I'm currently attempting to create a workaround for a problem that is plaguing a ROM that I'm using. While my phone and ROM are capable of using LTE, and use it perfectly fine, the "preferred network ...
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1answer
937 views

Tar.gz not working (Segmentation fault) on ext4 partition

I have a strange problem with tar gz compression. I used to have SD card mounted as a fat32 partition. However, now I changed it so that external sdcard is being mounted under /data/media/0 and is ...
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2answers
13k views

Toggling USB mass storage on (or off) via adb commands

Background: I have a USB stick Android device (e.g. RikoMagic) which I mostly run in "headless" mode. Among other things, I've already figured out how to shut it down via a combination of adb and the ...
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1answer
27k views

Which WiFi-Direct commands can be used in Android?

I am interested to know what commands can be used in Android to control WiFi direct from the terminal/command line. I took a look into p2p WIFI direct but I didn't catch these commands!! I can find ...
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1answer
552 views

where can I find man page for top

I have a bugreport file containing output from (as it says) top -n 1 -d 1 -m 30 -t The -m option is not known on my ubuntu linux, wo where can I find the android man page for the top command? I don'...
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1answer
792 views

CLI commands in android?

Since Android is linux, cant i use standard linux commands inside android? I know there are applications that allow for a "Command Line Interface" (CLI). I also imagine that adb would provide access ...
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1answer
107 views

Please explain this weird response to adb command

127|root@android:/ # find / -iname "aaengine" find: /proc/19619: No such file or directory I dont know why I got told about some file I never known about when trying ...
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1answer
6k views

How to execute a file via adb command line?

I am trying to root my Motorola Xoom. Root checker pro currently tells me that "Executing this file can grant root access!" So I want to try that. the file is located in system/bin and is called su. ...
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24 views

Set Default Keyboard without having to long hold text input? [duplicate]

So I have successfully installed a new keyboard and enabled it in settings > keyboard and languages. I have been able to set it to the default keyboard by doing a long press on an input field and ...