The PDF (portable document format) standard was created in the 1990s by Adobe cofounder John Warnock to make it possible for people to share reliably formatted documents across a wide range of ...

You probably have documents on your desktop operating system that contain sensitive information. So what do you do to protect that data? You could hide the document in an obscure folder -- but that's ...

Linux provides a number of ways to control who has access to your files and what kind of access they have. Keeping your files private from anyone but those with superuser (root) access is easy on ...