I have tested it before and now also. gbak -c -v -START 123456789
and database after restore looks like Database header page information: Flags 0 Checksum 12345 Write timestamp Aug 9, 2019 15:17:08 Page size 4096 ODS version 16.0 Oldest transaction 123456790 Oldest active 123456791 Oldest snapshot 123456791 Next transaction 123456850 Sequence number 0 Next attachment ID 0 Implementation ID 16 Shadow count 0 Page buffers 2048 Next header page 0 Database dialect 3 Creation date Aug 9, 2019 15:17:07 Backup timestamp Aug 9, 2019 15:17:08 Attributes force write Variable header data: Sweep interval: 20000 *END* regards, Karol Bieniaszewski Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel