[root@ok Desktop]# zip -r image.zip ./*.jpg adding: 20161007_113743.jpg (deflated 0%) adding: 20161007_114943.jpg (deflated 0%) [root@ok Desktop]# file image.zip image.zip: Zip archive data, at least v2.0 to extract [root@ok Desktop]# zipinfo image.zip Archive: image.zip Zip file size: 3939393 bytes, number of entries: 2 -rw-rw-r-- 3.0 unx 3340634 bx defN 16-Oct-07 11:43 20161007_113743.jpg -rw-rw-r-- 3.0 unx 604006 bx defN 16-Oct-07 11:49 20161007_114943.jpg 2 files, 3944640 bytes uncompressed, 3939039 bytes compressed: 0.1%