<div dir="ltr"><div><div><div><div><div><div>Hi,<br><br></div>I ran <b>ps -A | grep $(xprop _NET_WM_PID | cut -d' ' -f3)</b><br><br>and this is what I get:<br><br>2264 ? 00:00:00 xfce4-panel<br><br></div>2264 is output in red.<br><br></div>I'm still so new to Linux, I have no idea either why running those commands gets that information, nor what the information means, except in the vaguest sense. While I'd love to remove the black rectangle, I'd love even more to understand how it happened and how the command to get that information works and now how to use the info to get rid of it.<br><br></div>I'm still one of the Rikki-Tikki-Tavi sort...<br><br></div>Regards,<br><br></div>David<br></div><div class="gmail_extra"><br><div class="gmail_quote">On 29 September 2014 17:48, m. neasae <span dir="ltr"><<a href="mailto:mlnease@hctc.com" target="_blank">mlnease@hctc.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">To identify it, in a terminal run:<br>
<br>
ps -A | grep $(xprop _NET_WM_PID | cut -d' ' -f3)<br>
<br>
...then click on the square.<br>
<br>
Assuming its an X11 window, this command will grab the pid of the window using xprop and pull out the associated application process info using ps.<br>
<br>
On 09/29/2014 04:16 AM, <a href="mailto:xubuntu-users-request@lists.ubuntu.com" target="_blank">xubuntu-users-request@lists.<u></u>ubuntu.com</a> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I still have the black rectangle on my desktop.<span class="HOEnZb"><font color="#888888"><br>
</font></span></blockquote><span class="HOEnZb"><font color="#888888">
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