How to copy a line in Emacs ?

Hi guys ..

How to copy a line in Emacs without using the mouse ? .. is there any short-cut for that ?

I would also like to know how can I select a region in an emacs text file without using the mouse ..

Thankx in advance ..

1 First go to starting of the line or block which you want to copy.
2. Press Ctrl + Spacebar to Set the mark.
3. Now go to end of the line or block.
4. Press Alt+W, this will copy the text from the mark to current cursor position.
5. Use Ctrl+Y to paste the copied text.

various methods to do the same
method 1(without killing)
1. press ctrl-a and you will come to start of the line.
2. press ctrl-space to start mark.
3.now press ctrl-e to go to end of the line
4. now press ctrl-x r s a it will Copy region into register a (`copy-to-register').
5.go to the place where you want to paste it.
6. press ctrl-x r i a and it is pasted.

method 2(killing-yanking)
1. press ctrl-a and you will come to start of the line.
2. press ctrl-space to start mark.
3.now press ctrl-e to go to end of the line
4. now press ctrl-w it will kill the line .press ctrl-y to paste it to its original location.
5. go to the place where you want to paste it and press ctrl-y...


method 3(killing-yanking-faster)
1. press ctrl-a and you will come to start of the line.
2.press ctrl-k to kill the whole line.press ctrl-y to paste it to its original location.
5. go to the place where you want to paste it and press ctrl-y...

Hope this helps.....