To extract and decompress only a file from a big archive:
tar -x contact_maps/HiCNorm_QQ/primary_cohort/AO.nor.chr1.qq.mat -zf all_data_contact_maps.tgz
To extract and decompress only a file from a big archive:
tar -x contact_maps/HiCNorm_QQ/primary_cohort/AO.nor.chr1.qq.mat -zf all_data_contact_maps.tgz
bash
]