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gatorparrots
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If you need to edit a root-owned system configuration file, it is possible to do so with a graphical text editor, if you so desire. In fact, any application can be opened as root [although why anyone would want to open Chess.app as root is beyond me...] (This functionality is essentially what Brian Hill's utility Pseudo allows you to do: http://personalpages.tds.net/~brian_hill/pseudo.html):

First, a little background about the open command:

The command is simply open (which can also be used for opening directories). The most basic example is launching an application:
open /path/to/some.app

More complex possibilities also exist:

open "/Volumes/Macintosh HD/somedoc.txt"
opens the document in the default application for its type (as determined by LaunchServices).

open /Applications/
opens that directory in the Finder.

open -a /Applications/TextEdit.app "/Volumes/Macintosh HD/somedoc.txt"
opens the document in the application specified (in this case, TextEdit).

open -e "/Volumes/Macintosh HD/somedoc.txt"
opens the document in TextEdit (the -e option specifies TextEdit).

open http://www.apple.com/
opens the URL in the default browser (lynx, naturally *wink*)

open "file://localhost/Volumes/Macintosh HD/somedoc.txt"
opens the document in the default application for its type (as determined by LaunchServices).

open "file://localhost/Volumes/Macintosh HD/Applications/"
opens that directory in the Finder.

As you can see, open is a very versatile command. However, in the following post I will point at least one glaring limitation. Let the fun begin...
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