backupd:tldr:57ff7

The "backupd" command is a utility used in macOS (Mac operating system) to manage and perform backups.

It is responsible for initiating and managing the automatic backups of a Mac's data using the Time Machine feature. Time Machine is a built-in backup solution in macOS that allows users to back up and restore their entire system or specific files/folders.

When the "backupd" command is invoked, it launches the backup daemon (backupd) process in the background. This process continuously monitors the system for changes and schedules regular backups to an external storage device, such as an external hard drive or network-attached storage (NAS). It also handles incremental backups, meaning it only copies files that have been modified or added since the last backup.

The "backupd" command may not be directly interacted with by users since it is primarily run automatically on a schedule or when the Time Machine settings are changed. However, it can be useful to know about this command when troubleshooting backup issues or monitoring the backup process.