Many people said that half metadata or information which is in a file cannot be change. They are totally wrong! What you have to do is you just have to use this great and free application. FotoTagger can be run on Linux operating system by adding a few dependencies, such as: Python, PyQT, pyexiv2, and Exiv2. The main function is as an editor metadata. Every multimedia file has hide information which is decide of time file making, the file title, etc. This part you can change as you want or use to trick someone else. The unique is you do not have to do the import process first the files which is you want to edited to foto manager software which is so complicated and wasting time.