How to Set Up and Manage Sudo Permissions

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What Is Sudo?

sudo-sudoers

credit to: XKCD

Sudo is a Linux program meant to allow a user to use root privileges for a limited timeframe to users and log root activity.  The basic thought is to give as few privileges as possible to a user while allowing  the user to accomplish a task. The term “Sudo” means substitute user, and do. It is a program used for managing of user permission based on a system configuration file. It allows users to run programs with the privileges of another user, by default, the superuser. The program is supplied for most UNIX and Linux-based operating systems.

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