眾里尋exif viewer千百度，驀然回首，tool卻在燈火闌珊處

在ubuntu 查 exif ==>影像檢視器

reference from
 http://askubuntu.com/questions/33359/app-for-viewing-photos-with-properties-exif-display

The default photo viewer (eog) will show metadata. If you open your photo, right click and select "Properties". It will open a window that lists the metadata. You can then switch betweeen photos and keep the metadata open beside it.