There are a lot of spammers out there these days and they mostly get their hands on peoples email addresses when someone registers at some random forum or website using their email address. The spammers either buy these address from rogue websites and forums or they hack their way in. So there you are receiving a dozen unwanted emails a day!
Sometimes you've got a picture of a text, but you can't copy/paste it, like in a PDF file. So to extract the text from this image there are online utilities called OCRs or Optical Character Recognition. They used specialized algorithms to extract the text from an image.
Windows desktop is usually cluttered all the time and it is very difficult to keep track of windows if you've opened too many. In Ubuntu there is a concept of workspaces, you can open as many windows and programs as you want and drag/drop them into workspaces. But unfortunately Windows does not come with such a capability.
You might have heard about the "Hibernation" feature in Windows XP but never found the feature anywhere except in "Power Options" in "Control Panel" where there is just an option to enable hibernation. But how to activate hibernation? I bet most of you have no idea!!
Portable Document Format (PDF) is increasingly becoming a popular way of exchanging all types of documents, everything from web pages to ebooks and spreadsheets. But sometimes the content in these PDF files are restricted or they are protected using a password. So I,ll show you a list of ways to remove these restrictions and unlock a PDF file. Some of these are softwares and some are free online tools.