Backups

Backups: Backups That Work: `robocopy`.

Updated November 10, 2026

1. Backups That Work: `robocopy` (Journeyman): robocopy, the copying program that comes with Windows, copies a folder and after that only what changed, mirrors it with /MIR (which deletes from the backup too), rehearses with /L, and ends with an exit code where anything below 8 means success.