File Signature

Description

Kuki send me a weird file that no file extensions, can you figure what file is this??

Attachment: file

Solution

The file is given without any extension and hence we do not know what is the file type. Use file command to check the file type of the file, and it shows that the file is in JPEG format.

Use mv command to rename the file with extension. Then, use eog command to view the image. The flag will be shown in the image.