GiD_Project backup
To allow save/read the model in a backup fast format
GiD_Project backup save ?-ignore_must_save_flags? <name>
To save as <name> the model. if -ignore_must_save_flags is provided the files are saved without take in account if there were changes since the last save(name without the .gid extension)
GiD_Project backup read <name>
To read the model <name>, saved with backup-fast format