cvsup vs portupgrade

[Stephen Liu]

Hi folks,

I am still not very clear on the function between

# cvsup -g /usr/local/etc/cvsup/stable-supfile

and 

# portupgrade -aRr

I have following questions;

1) What will be their diffenece in function

2) If having run

# cvsup -g /usr/local/etc/cvsup/ports-supfile
# cvsup -g /usr/local/etc/cvsup/stable-supfile

Whether I still need to run

# portupgrade -aRr

3) If NO to 2) above
When shall I need to run
# portupgrade -aRr

4) Whether following procedure is correct

# cvsup -g /usr/local/etc/cvsup/ports-supfile
then
# cvsup -g /usr/local/etc/cvsup/stable-supfile

NOT the other way round

Kindly advise.  TIA

B.R.
Stephen Liu




=====
Best Regards
Stephen Liu

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