If someone finds a mistake, please notify me and I will correct it. -> voku1987
PLEASE NOTE THAT I AM NOT RESPONSIBLE FOR YOU MESSING UP YOUR PHONE!
The Linux terminal is a command-line interface that you can use for all types of operation on the Android OS. A lot of users are afraid to use it because it 's not a GUI, and to be honest, if you don't know the basics it's pretty hard to learn by yourself.
How to Install
In order to use ADB, you have to enable USB Debugging option in phone settings (Settings->Applications->Development)
How to Use
* Don’t use it if you don’t know what you do!!!!
* Commands and folders are CASE-SENSITIVE (lall != laLl != Lall …)
* Commands can use easy-regular-expressions (e.g. rm *.lall -> deleted everything that ends with “.lall” in this directory)
* If a command completed successfully, it will say nothing and start a new line
Default adb commands
1.) Check connected phone
2. Login to Android shell
If you get ‘#’ after typing adb shell, you are already get root access on the phone, no need to type su. Otherwise if you get “$” , type “su” (su = substitute user) to get root access (only for rooted device).
3. show the Android-Logfile
V —> Verbose (lowest priority)
D —> Debug
I —> Info
W —> Warning
E —> Error
F —> Fatal
S —> Silent (highest priority, on which nothing is ever printed)
# e.g. Error messages
adb logcat *:E
radio —> View the buffer that contains radio/telephony related messages.
events —> View the buffer containing events-related messages.
main —> View the main log buffer (default)
# e.g. all event messages
adb logcat -b events
Note: (“ls” == “dir” in Windows-cmd)
If you need more information about files/directories then add the parameter “-la”!
Absolute paths work everywhere, from every folder. They always start with "/", which is the root (the start). On android, then you have some subfolders like "system", "data" and "sdcard" (which is the sdcard). An example of an absolute path would be /sdcard/videos (the folder videos on your sdcard)
Relative paths are relative to your position as the name would suggest.
If you currently are in the /sdcard folder, you can just switch to the videos directory by using the command: cd videos
There are several commands for file operations. They will be explained in the next section. Please note that removing important system files may harm your system. If you're not 100% sure, don't try it before you are!
To copy or delete files in Android root directories you have to change the directory access mode to “read and write (rw)” [“read only (ro)”] using command: remount rw
Example_1: … this will copy bootanimation.zip from the sdcard to the folder where it is loaded at boot. It will overwrite the current bootanimation.zip in that folder.
remount rw /system
cp /sdcard/bootanimation.zip /system/media/
remount ro /system
Example_2: will replace the default android font with segoeui, and rename segoeui.ttf to DroidSans.ttf so Android recognises it.
remount rw /system
cp /sdcard/fonts/segoeui.ttf /system/fonts/DroidSans.ttf
remount ro /system
PS: you can also use e.g. “ES File Exporer” for copy & past files
Example: show a file named lall.txt in /system/data/
mv /system/lib/libsec-ril.so /sdcard/backupchmod
chmod 0644 /system/lib/libsec-ril.sorm
First you need to know how permissions work in Linux.
It works with 3-numbers: “xyz”
x - is what the owner can do
y - is the permission for the public user
z - is what other users can do (public = dangerous)
x,y and z can have different values:
7 full (read, write, execute)
6 read and write
5 read and execute
4 read only
3 write and execute
2 write only
1 execute only
rm /system/lib/libsec-ril.so4. Install application
- press “P” and the output will be ordered by CPU-usage
- press “M” and the output will be ordered by Memory-usage
Example: show only the system-mount
mount | grep system
Example_1: copy the output from Android-Debug to your SD-Card
logcat -f /sdcard/logcat.txt
Example_2: copy the output from Kernel-Debug to your SD-Card
dmesg > /sdcard/dmesg.txt
Example_3: change CPU-Governor to e.g. conservative
echo conservative > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
Some usefull adb commands
adb reboot recovery
adb install appname.apk
D:\android-sdk-windows\tools\adb install D:\AnReboot.apk
adb pull source [destination]
D:\android-sdk-windows\tools\adb pull /sdcard/arm11-dvm.zip
D:\android-sdk-windows\tools\adb pull /sdcard/arm11-dvm.zip D:\
adb push source destination
D:\android-sdk-windows\tools\adb push D:\AnReboot.apk /sdcard
adb forward tcp:[source-port] tcp:[destination-port]
adb forward tcp:5901 tcp:5901
PS: there are also good videos on youtube about “android adb” if you need some live examples ;)