Which browser are you using? In Gnome (I believe this is a Gnome function) 
highlighting text puts it into the clipboard- middle mouse button-both if 
set to emulate in XF86Config- puts it where you select.
Konqueror has a nifty little button on the left of the address line that 
will kill the url, simply paste into the url line by middle clicking. 
Mozilla pops up a url window with Ctrl+ Shift + L or double left click the 
address line.. the address becomes highlighted, hit delete key, then 
middle mouse button.
HTH


On 11 Jul 2002, Victor Odhner wrote:

> Since most of my GUI life has been in the Windows world,
> I am having a really hard time doing copy and paste under
> Linux.
> 
> In the Microsoft and Mac worlds, copy and paste are
> very straightforward and consistent.  But under X,
> I run into several different treatments.
> 
> The classic X treatment is that a string is copied if
> you highlight it.  But then if I go to a browser's
> address line, and highlight its contents in order to
> replace them, I have just wiped out the clipboard.
> So instead I have to click at the end of the previous
> URL, and backspace to kill it before center-clicking
> to paste in the new one.  What am I missing?
> 
> Different apps seem unwilling to paste each other's
> stuff.  Some have what looks like Windows-style
> copy and paste, but the results aren't available to
> other applications.
> 
> Is there an option in X to permit Ctrl-C to control
> the copy process, and Ctrl-V to paste?  And some way
> to ensure use of a common clipboard for all apps?
> 
> Vic
> 
> 
> 
> 
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