Question 3: Solutions described
uudeview, gunzip, awk & binascii.unhexlify, emacs, pdfminer, less file encodings and metadata and all sorts and png and google and help about `file` command.
uudeview, gunzip, awk & binascii.unhexlify, emacs, pdfminer, less file encodings and metadata and all sorts and png and google and help about `file` command.