Changing to root user inside shell script

Question

I have a shell script which needs non-root user account to run certain commands and then change the user to root to run the rest of the script. I am using SUSE11. I have use

Answer 1

Short version: create a block to enclose all commands to be run as root.

For example, I created a script to run a command from a root subdirectory, the segment goes like this:

sudo su - <