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Sudo (su "do") allows a system administrator to delegate authority to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while providing an audit trail of the commands and their arguments.

With the release of sudo 1.7.x, sudo 1.6.9 is no longer under active development and will only receive bug fixes. New features and enhancements will continue to be added to future sudo 1.7.x releases.

The current stable version is sudo 1.7.2p5, released on March 1, 2010.

The current development version is sudo 1.7.3b1, released on December 6, 2009.

Sudo is free software and is distributed under an ISC-style license.

Sudo development is performed in the author's spare time and is not sponsored by any commercial organization. You can help ensure future sudo development by making a donation.