BLAST finds regions of similarity between biological sequences. The program compares nucleotide or protein sequences to sequence databases and calculates the statistical significance.
You can find documentation on the system, with the command:
module help blast+
The manual is on the web at the original home page (https://blast.ncbi.nlm.nih.gov/Blast.cgi?CMD=Web&PAGE_TYPE=BlastDocs&DOC...)
CINECA consultants can be reached through the address: superc@cineca.it