Android / ls: /system/bin/sh: ls: not found [closed]

Android / ls: /system/bin/sh: ls: not found [closed]

References

Reference NO 1

http://forum.xda-developers.com/showthread.php?p=32184756

Reference NO 2

http://stackoverflow.com/questions/12056625/shell-script-in-android-gives-not-found

Reference NO 3

https://github.com/jackpal/Android-Terminal-Emulator/wiki/Android-Shell-Command-Reference

Reference NO 4

http://gimite.net/en/index.php?Run%20native%20executable%20in%20Android%20App

Reference NO 5

http://androidforums.com/international-gsm-galaxy-nexus-all-things-root/532226-advice-file-permissions-root.html

Reference NO 6

http://git-annex.branchable.com/Android/oldcomments/

Reference NO 7

http://blog.clutchmobile.com/2013/01/08/android-reverse-shell/

Reference NO 8

http://code.google.com/p/android/issues/detail?id=40023