However, I would not recommend using the su command frequently. I would recommend you use the sudo command, which lets you temporarily execute commands as the superuser. This is a much better practice because the sudo command can limit activity by user and timestamp actions back to the user who committed the act. The timestamp is logged by userid so there is a better accounting of who is executing commands which leaves a distinct audit...
trail. For example, by executing the command sudo rm /home/olduser you would have a log of what user removed the directory /home/olduser. Also, you can limit what superusers can do in the /etc/sudoers file so that users who are unsure of what they are doing can't do critical damage. It's a good practice any time but especially as your admins come up to speed.
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