How to take a screenshot

How do I take a screenshot?
	press	=	Windows captures the entire screen and copies it to the clipboard.
Where can I find that key?
			Look for this group of keys at the upper right of your keyboard. Note: Print Screen (PrtScn) might have been abbreviated differently on your keyboard.
How do I take a screenshot of a single window?
hold down	and press	=	Windows captures only the currently active window and copies it to the clipboard.
I guess it’s in the clipboard now. How can I paste it into a document or something?
hold down	and press	=	Windows pastes the screenshot (that is in the clipboard) into a document or image you are currently editing.
Where should I paste it? I just need a (graphics) file.
Start “Paint” Paste Save
Can you show me in a video?

There must be a dedicated program for taking screenshots on Vista and Windows 7. How can I find?

How to take a screenshot on a Mac
hold down	and	and press	=	Mac OS X captures the entire screen and saves it as a file on the desktop. The file name will look like “Screen shot 2013-05-26 at 08.45.00 AM.png”.
How do I take a partial screenshot?
hold down	and	and press	=	Use your mouse to draw a rectangle in order to specify what to capture – or press the spacebar and then click on something (e.g. a window) to capture it. Mac OS X then saves it as a file on the desktop. The file name will look like “Screen shot 2013-05-26 at 08.45.00 AM.png”.
I don’t need a file. How can I have a screenshot in the clipboard instead?
hold down	together with any of the combinations above		=	Mac OS X takes a screenshot and copies it to the clipboard (instead of saving it as a file).
I guess it’s in the clipboard now. How can I paste it into a document or something?
hold down	and press		=	Mac OS X pastes the screenshot (that is in the clipboard) into a document or image you are currently editing.
I don’t like keyboard shortcuts. How can I take a screenshot using Preview?

How can I have my screenshots in other file formats than PNG?
With Preview (see previous question) you can save your screenshots in JPG, TIFF, PDF, and other file formats.
I need even more flexibility. How can I take screenshots using the command line (“Terminal”)?
try help: `screencapture --help` use delays: `sleep 10; screencapture ~/Desktop/screenshot.png`

How do I take a screenshot?
press at once	and	=	The screen flashes white. Your iPhone (or iPod touch, or iPad) captures the entire screen and saves it as a photo.
Where do I find my screenshots?
choose	and then Camera Roll (on an iPhone) or Saved Photos (on an iPod touch, or an iPad).
I see no flash and no screenshots. It does not work. Why?
You need firmware 2.0 or later.

How do I take a screenshot?
	press	=	KDE captures the entire screen and copies it to the clipboard.
Where can I find that key?
			Look for this group of keys at the upper right of your keyboard. Note: Print Screen (PrtScn) might have been abbreviated differently on your keyboard.
How do I take a screenshot of a single window?
hold down	and press	=	KDE captures the currently active window and copies it to the clipboard.
I guess it’s in the clipboard now. How can I paste it into a document or something?
hold down	and press	=	KDE pastes the screenshot (that is in the clipboard) into a document or image you are currently editing.
Where should I paste it? I just need a (graphics) file.
Click on the desktop Paste
Is there a dedicated program for taking screenshots? How can I start it?
hold down	and press		then type “ksnapshot”

How do I take a screenshot?
	press	=	GNOME captures the entire screen and asks you where to save it as a file.
Where can I find that key?
			Look for this group of keys at the upper right of your keyboard. Note: Print Screen (PrtScn) might have been abbreviated differently on your keyboard.
How do I make a screenshot of a single window?
hold down	and press	=	GNOME captures the currently active window and asks you where to save it as a file.
I need more flexibility. How can I take screenshots using the command line?
try this: `gnome-screenshot --help`

How do I take a screen shot of a web page?

Awesome Screenshot is an extension for several browsers: Chrome, Firefox, Safari.

Browsershots captures a web page with lots of browsers.

It takes some time. Reload the page after some minutes to get results. Reload after some more minutes to get more results.