[colug-432] mkdir

[Steve VanSlyck]

Yes, I understand now.

I am using verbose options because this is all eventually going to go
into a script.

On Tue, May 12, 2015, at 10:31, Rick Hornsby wrote:
> 
> In UNIX, most of the time single letter options start with a single dash,
> and multi-letter (word) options start with two dashes.  Most of the time
> a single dash followed by multiple letters is interpreted as if you put a
> dash (separate option) before each letter.  mkdir thinks you mean
> 
> mkdir -p -a -r -e -n -t -s ...
> 
> That’s where it is getting the invalid option ‘a’ from.