[/mnt/DATA/TEST]ll
total 8184100
-rw-r--r-- 1 jacques jacques 8380511744 févr. 16  2016 file.bin

[/mnt/DATA/TEST]gzip file.bin

[/mnt/DATA/TEST]gzip -l file.bin.gz
         compressed        uncompressed  ratio uncompressed_name
         2490092407          4085544448  39.1% file.bin

[/mnt/DATA/TEST]gzip -V
gzip 1.6
Copyright (C) 2007, 2010, 2011 Free Software Foundation, Inc.
Copyright (C) 1993 Jean-loup Gailly.
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.

Written by Jean-loup Gailly.

[/mnt/DATA/TEST]