bash history command code example

Example 1: show bash history

history # show all
history | tail -5 # show last 5
history | grep text # search for text

Example 2: bash search history

sudo add-apt-repository ppa:ultradvorka/ppa && sudo apt-get update && sudo apt-get install hstr && hstr --show-configuration >> ~/.bashrc && . ~/.bashrc

Example 3: linux history command

Just check the enumeration of your commands history and then delete them:
history -d 7 #Deletes seventh command in your history list