gsutil is Google Cloud's command line utility (CLI). Documentation at https://cloud.google.com/storage/docs/gsutil
Example using gnomad Google Cloud bucket
cp= make a local copy-r= copy recursively through folders-m= run operation in parallel.= need.at end for current directory
gsutil -m cp -r gs://gcp-public-data--gnomad/release/4.0/genome_sv/gnomad.v4.0.sv.chr1.vcf.gz.tbi .