Ubuntu: Using Sudo to Grant User Privileges

If you have used your fresh Ubuntu install for longer than half an hour, chances are that you've discovered the sudo command already.

sudo allows certain users to execute a command under another user's privileges. Most commonly, using sudo implies running a command as a superuser, but the approach works equally well for allowing you to inherit a user ID (uid) and group ID (gid) of any user on the system.

To gain access, a password is asked, and by default it is your password, and not the password of a user you're trying to run a command as. This allows for the system' s administrator to effectively manage user privileges without having any user share their password.

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