I have a PDF file with extension .pdf
. If I remove .pdf
- the file is still recognized as PDF file ($ file sample
- output sample: PDF document, version 1.4.
)
What is the mechanism of filetype detection in Linux? Windows uses file suffix. I know that there are mime types. Does all popular file formats contain their mimetype in HEX code?
file
...?" not "How does Linux ...?" – user253751 Sep 13 '15 at 02:38