Re: /etc/fstab question (problem)?

[Greg Wooledge <greg@wooledge.org>]

On Fri, Apr 21, 2023 at 04:59:36AM -0400, rhkramer@gmail.com wrote:
> On Wednesday, April 19, 2023 05:02:16 PM Default User wrote:
> > sudo cp -r <source> <destination> from the live usb.
> 
> Recently I've been trying to get in the habit of using cp -aru because those 
> options do what I usually want:
> 
>    * -a preserves dates (and ownership and permissions), and doesn't follow 
> (copy from) symbolic links
>    * -r recurses through subdirectories
>    * -u copies only if the destination file is older than the file to be copied

In GNU cp(1):

       -a, --archive
              same as -dR --preserve=all

       -d     same as --no-dereference --preserve=links

       -R, -r, --recursive
              copy directories recursively

So, your -r is redundant.  It's included in the -a.