A restore refers to the loading (restoring) of data into the D3 file system from a backup media created by a save, or t-dump.
The t-load command can load a single item or a series of items into an existing file from a t-dump tape.
The sel-restore command can load a single item or a series of items into an existing file from a save tape.
The account-restore command can create and load an entire account into the file system from a save tape.
The restore-accounts command can create and load any account on tape which does not already exist in the file system from a save tape.
The :files command can create and rebuild the entire file system from a save tape.
Choosing the (F)iles option from the (A)bs, (F)iles (X)ecute prompt after booting from the D3 system #1 diskette can create and rebuild the entire file system from a save tape.