Backup: NewBee Question

[NoOp]

On 11/15/2010 01:27 PM, MirJafar Ali wrote:
> Hello,
> 
> Sorry for asking a stupid question. There are so many software for
> backup data and even the Seagate hardrives
> provide software with jazzy word "continuous backup"
> 
> I am old Unix person and know only "cp" command. I am curious to know
> why there are so many backup software.
> Isn't "cp" command enough for making copies of the data. What are the
> compelling reasons to use backup software ?
> 
> Even in the Unix world, what is the difference between "cp" and "rsync"
> command ?

You might find these helpful:
http://rsync.samba.org/features.html
http://manpages.ubuntu.com/manpages/maverick/en/man1/rsync.1.html
http://manpages.ubuntu.com/manpages/maverick/en/man1/cp.1.html
https://help.ubuntu.com/community/rsync