Permission Denied

I have an SIS6326 video card. I have read questions in the forum that are very similar to my problem. All of the answers pertain to editing the /etc/XF86Config file.
When I try to access this file, a message comes up and says Permission Denied. I'm extremely new to Linux. Can someone please help? Thank you very much.

Rick Bunnell
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rbunnellAuthor Commented:
Edited text of question.
You have to jave ROOT-privs to do that.

Log on as root. Or do "su -" and then give root password. then you can do a
"pico -w /etc/XF86Config"

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rbunnellAuthor Commented:
Excuse my ignorance, but I'm new at this and I want to make sure I understand. I log in as root, and type "pico-w /etc/XF86Config" and this will allow me add lines to the file? Thank you.

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