btrbk:tldr:f2ea6

This command is used to run the "btrbk" utility with specific options.

Here is the breakdown of the command:

• "sudo": This command is used to run the following command with administrative privileges. It allows the user to execute commands as a superuser or another user, depending on the configuration.
• "btrbk": This is the name of the utility that is being executed. "btrbk" is a tool for creating and managing snapshots of the Btrfs file system. It provides backup and restore functionality for Btrfs filesystems.
• "--progress": This option enables the progress output, which shows the progress of the backup or restore operation.
• "--verbose": This option increases the verbosity level, providing more detailed output during the backup or restore process.
• "run": This is the command that tells "btrbk" to start executing the backup or restore operation, based on the configuration specified in its configuration file.

Overall, this command is telling the system to run the "btrbk" utility with administrative privileges, enabling progress output and increasing verbosity, and starting the backup or restore operation.