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I have rooted my nexus-7 and everything is working smooth except that I am enable to copy files:

./sdcard# cp myfile.conf /etc/.

or create folders:

.# mkdir usr

within the root folder.

Searching on the internet, nothing seems to be working .. I tried to change the chmod, but it show me this:

Read-only file system

so, I tried to mount /myfile.conf and make it read/write as follow:

adb shell
su
mount -o remount,rw /sdcard/myfile.conf

but it gives me:

Usage: mount [-r] [-w] [-o options] [-t type] device directory

I am browsing and doing everything on my tablet through the ADB from my PC .. so am I doing something wrong .. or am I missing anything ?

hashDefine
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  • @ChrisStratton: I saw this article before .. but unfortunately it not helping .. and my problem is exactly how to make the file system writable !! .. it seems no solution is working .. that is why I put this question .. – hashDefine Oct 04 '13 at 15:58
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    You need to read it much more carefully. Mount applies to *filesystems* not individual files. Plus, you are trying to change the properties of the source, the actual problem is that your destination /etc may be read only. – Chris Stratton Oct 04 '13 at 16:02
  • @ChrisStratton: ok .. I will read again thoroughly .. – hashDefine Oct 04 '13 at 16:10
  • @ChrisStratton: Thanks .. it is copying now .. I was doing lot of things wrong .. for example I was mounting the file not the _filesystem_ as you said .. i was mounting the wrong folder and not the _/etc_ .. besides, the command itself was syntax-ly wrong .. do u think I should delete this question ? – hashDefine Oct 07 '13 at 15:40

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