checkpoint
noun
°A point or place where a check is performed, especially a point along a road or on a frontier where travellers are stopped for inspection.
"The travellers were stopped at the checkpoint."
°(computing) a situation, often represented by a point in time, at which the state of a database system is known to be valid, and to which it can be returned to in the event of a crisis by using a combination of backups and logs; the data stored at this event.
"After the crash, we rolled back the database to the last checkpoint."
verb
°To set a checkpoint.