What you probably didn’t know about sudo

Think you know everything about sudo? Think again.

Everybody knows sudo, right? This tool is installed by default on most Linux systems and is available for most BSD and commercial Unix variants. Still, after talking to hundreds of sudo users, the most common answer I received was that sudo is a tool to complicate life.

There is a root user and there is the su command, so why have yet another tool? For many, sudo was just a prefix for administrative commands. Only a handful mentioned that when you have multiple administrators for the same system, you can use sudo logs to see who did what.

So, what is sudo?

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