android - Write permission on external SD card is denied -

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i use command adb push transfer files external sd card of phone. i'm using android 5.0. write permission denied.

i use ls command see permissions list. 

./adb shell ls /storage/extsdcard -la

and here 1 of got:

drwxrwx--- root     sdcard_r          2015-12-13 10:29 new

as see, file group sdcard_r (has no write permission). please me! how can write data external sd card using adb?

root user elevated permissions, can file or folder in system. it's dangerous, powerful, , integral part of linux. android popular "version" of linux in world (as popular computing system), discussed above superuser access more restricted on other linux systems

root phone


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