do-release-upgrade:tldr:99f9a

The command sudo do-release-upgrade --proposed is a specific command used in Ubuntu-based systems to upgrade the operating system to a newer release with the inclusion of proposed updates.

Here's an explanation of the different elements in the command:

• sudo: It is a command that enables you to perform the subsequent command with administrative (superuser) privileges. It asks for the password before executing the command, as it requires elevated permissions.

• do-release-upgrade: It is a command-line tool used for upgrading Ubuntu to a new release. It fetches information on the latest version available and manages the upgrade process.

• --proposed: It is an optional flag that indicates the command to include software updates that are in the "proposed" repository. Proposed updates are packages that have been suggested for inclusion but have not been fully tested yet. They can have newer versions of software in comparison to the stable releases. This flag can be added if you want to include these proposed updates as well during the upgrade process.

Therefore, running sudo do-release-upgrade --proposed will initiate the upgrade process to a newer version of Ubuntu, including the proposed updates repository. It is important to note that proposed updates may contain software that is not thoroughly tested, so it might result in potential issues or bugs.