Searching command history with hstr
Have you ever been trying to find command you’ve use before, only to find all incorreclty types commands? Does this seem familiar? history | foobar or ctrl+r+foobar barfoor arfoo etc.
Look no further hstr is there to save the day (notice the niiiice theme?)! 
Install and use
Install with:
sudo apt install hstr
Now configure hstr:
bash
hstr --show-configuration >> .bashrc
source ~/.bashrc
zsh
hstr --show-zsh-configuration >> .zshrc
source ~/.zshrc`
ctrl+r and viola!
Conclusion
Easy as pie, searching through the command history was made that much simpler with such an easy installation! 