Re: Memorizing a 128 bit / 256 bit hex key

Cri-Cri <cri@cri.cri.invalid> wrote:

On Tue, 18 Jun 2024 22:01:19 +0200, Stefan Claas wrote:
 

alias del=">~/.bash_history;history -cw;"

 
Can't you stop Bash from ever creating a history?
 
https://www.cyberciti.biz/faq/disable-bash-shell-history-linux/

You can, and for a special purpose system intended for "key access"
doing so is probably the best practice.

Meanwhile, if one is doing key access on a system also used for other,
general purpose purposes, fully disabling history does remove a *very*
useful feature in the general case.

The workaround can be to configure bash to not store commands that
begin with a space:

       HISTCONTROL
              A colon-separated list of values controlling  how
              commands are saved on the history list.  If the list of
              values includes ignorespace, lines which begin with a
              space character are not saved in the history list.

Of course then one does have to remember to prefix any command that
should not be saved in history with a space.