How to use su command over adb shell?

Well, if your phone is rooted you can run commands with the su -c command.

Here is an example of a cat command on the build.prop file to get a phone’s product information.

adb shell "su -c 'cat /system/build.prop |grep "product"'"

This invokes root permission and runs the command inside the ' '.

Notice the 5 end quotes, that is required that you close ALL your end quotes or you will get an error.

For clarification the format is like this.

adb shell "su -c '[your command goes here]'"

Make sure you enter the command EXACTLY the way that you normally would when running it in shell.