makeblastdb

$ makeblastdb -dbtype nucl -input_type fasta -in nt
3 files

$ makeblastdb -dbtype nucl -input_type fasta -in nt -parse_seqids
6 files add: .nog .nsd .nsi

makeblastdb_parse_seqids.png

$ makeblastdb -dbtype nucl -input_type fasta -in nt -parse_seqids
8 files add: .nhd .nhi

makeblastdb_parse_seqids_hash_index.png

41 files from the ftp download
10 files add: .nnd .nni

makeblastdb_0.png