putting something into single quotes in a bash script

[Petrus de Calguarium]

Patrick O'Callaghan wrote:

> Of course they do. They are entirely different things. The first one is
> for quoting strings which might contain Shell metacharacters. The second
> is to execute a command and insert its output as the value of the
> string, e.g.
> 
> ls -l `find ~/.kde`
> 
> This is equivalent to:
> 
> ls -l $(find ~/.kde)
> 
> but the latter is a more recent form (it has the advantage of being
> nestable, which the older form isn't).

Thank you. That explains it well.

I will read up a bit, too.