In other words, this command is run: $ history | grep ssh Removing history The command is rerun, but with dnf replaced by ssh. For example, if I want to change my previous command history | grep dnf to history | grep ssh, I can execute the following at the prompt: $ ^dnf^ssh^ You can also use history to rerun a command with different syntax. Now you can start typing a command, and matching commands will be displayed for you to execute by pressing Return or Enter. After typing this, the prompt changes to: (reverse-i-search)`':

An introduction to programming with Bash.A guide to building a video game with Python.