it happend once before and it is very annoying: why is this or that command not stored in history?
echo $HISTCONTROL ignoreboth # ignoreboth means: ## ignorespace Any command whose first character is a space is not saved to the history list. ## ignoredups If the command you just entered is identical to the immediately preceding history entry, it is not added again. # solution: modify variable in /etc/bash.bashrc su - root echo 'HISTCONTROL="ignoredups"' >> /etc/bash.bashrc
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