• g? in vim will encode the selected TEXT in ROT13
  • :let @a = @a . '@a', append macro call to make the macro recursive, run to the end of the file
  • https://instances.vantage.sh/, list and compare instances of AWS EC2/RDS etc
  • fc -W will save history to ~/.zsh_history. DO NOT RUN history -c THAT WILL CLEAR THE HISTORY