cygwin setup program questions

t s <[email protected]>
Newsgroups gmane.os.cygwin.xfree
Message-ID <[email protected]>
I have some elementary questions regarding the cygwin setup program. I ran the latest version 2.852 (64 bit).

the options are install / re-install / un-install / default

my understanding is as follows;

choosing "install" creates a new installation of the selected cygwin components

choosing "re-install" uninstalls the selected cygwin components, then creates a new installation

choosing "un-install" uninstalls the selected cygwin components

choosing "default" updates the selected cygwin components

so if I wish to update my local installation to the latest release, I would choose "default", as per the following screen capture;

http://www.cpm86.com/default.jpg

What is the function of the "keep" / "cur" / "exp" radio buttons?

Please confirm my understanding of these four options. Thanks. 		 	   		  
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