If you need to edit a root-owned system configuration file, it is possible to do so with a graphical text editor, for example.
Carbon Applications
Older Carbon applications have to be run via LaunchCFMApp because they are in the wrong binary format for Mac OS X, so LaunchCFMApp handles the...
The command is simply open (which can also be used for opening directories). The most basic example of launching an application:
open /path/to/some.app
More complex possibilities also exist:
open "/Volumes/Macintosh HD/foo.txt"
opens the document in the default application for its type (as...
It's a part of the Dock.app application. You can't change it as you would a normal Application icon (i.e. pasting an icon in the Get Info window).
Candybar, amongst others, can do it.
http://www.iconfactory.com/cb_home.asp
(This post belongs in another forum, not the HOWTO archive.)