I found something out recently that is pretty useful.
Many of you surely use the Terminal Emulator.
Most actions require root privilegies and you always have to type in 'su' to aquire them.
It is possible to run it as root automatically.
Just follow this easy steps:
1. In the app, press the menu button and click on preferences.
2. Scroll down to the command line option and click on it.
3. Now remove the old line and enter this:
I hope this is useful to you and have a nice day!