How to save an image

"jianxu (sent by Nabble.com)" <[email protected]> Fri, 17 Mar 2006 07:13:19 -0800 (PST)
Newsgroups gmane.comp.gnu.octave.graphics
Message-ID <[email protected]>
I'm a newbie in Octave and Linux.  I generated some plots and images (using
plot(), and imagesc() commands).  But I don't know how to save them to a
file.  And I cannot find this in the online manual.  Could somebody help me?

In addition, how can I add some texts on an image?  Thanks a lot!
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