Subj : PKZIP for Win 7
To   : Holger Granholm
From : mark lewis
Date : Tue Sep 22 2015 13:39:54


21 Sep 15 09:45, you wrote to me:

 HG>> Have you confirmed that PKUNZIP or Infozips UNZIP cannot handle 7-ZIP
 HG>> compressed files?

 ml>> 7-zip defaults to its 7z format... pkunzip can't recognize it
 ml>> because the signature "7Z" is different than "PK"...

 HG> Thanks for the info. Of course I have noticed the first two characters
 HG> of ZIP-files but I can't recall having seen PK up there in the top left
 HG> corner. "MZ" plus an additional character seem to be common in both
 HG> normal and PKLited files.

yes, MZ indicates one of the binary executable formats... there are several... 
PE is another one, IIRC... i think it indicates a type of windows executable... 
here's a link to a page with a lot of file signatures and their offsets...

  https://en.wikipedia.org/wiki/List_of_file_signatures

)\/(ark

.... Obscenity is whatever gives the judge an erection.
---
 * Origin:  (1:3634/12.73)

.