I see. So it is a way to stack directories in your order so you can  go in
reverse a certain order and save yourself some typing. pushd is strange. if
you execute it alone it reverses the last two directories on your stack. I
didn't know about 'cd -'; thanks for sharing that with me.

:-)~MIKE~(-:

On Fri, Oct 10, 2014 at 1:10 PM, James Mcphee <jmcphe@gmail.com> wrote:

> pushd and popd are stack-oriented.  You may notice with cd that you can do
> "cd -" to go to your previous directory.  Think of pushd and popd as a way
> to store those up.  You pushd into various directories, which loads them up
> on the stack, then popd and you get cd'd back into those directories (in
> reverse order).
>
> Now, you may be asking yourself "why?".  It's just an old way of doing
> things back when the speed of stack memory meant something.  I'm sure
> someone could figure out an actual use for it, but every time I see it
> implemented, it's done to be obscure, not because it couldn't be more
> simply implemented with an array.
>
> On Fri, Oct 10, 2014 at 1:06 PM, Michael Havens <bmike1@gmail.com> wrote:
>
>> what is the difference between pushd and pod and the command cd
>> :-)~MIKE~(-:
>>
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> James McPhee
> jmcphe@gmail.com
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