On 9/21/2016 7:06 AM, David wrote:
On 21 September 2016 at 21:59, Richard Owlett <rowl...@cloud85.net> wrote:
I'm learning the shell.


Which shell?

That may be an an even better question than meets the eye.

I have two use cases:
  1. the immediate one being whatever shell MATE terminal uses.
Sub-question: When in an arbitrary terminal of an arbitrary Desktop Environment,
        how would I determine which shell is in use?
2. The motivation for learning shell is to create a custom preseed.cfg file as per "B.5.3. Chainloading preconfiguration files" of _Installation Manual_.



Try 'man whatever.shell.you.are.using' and read what it says about "history".

In bash for example, you can set HISTFILESIZE to zero.



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