You can use keybindings to achieve similar function, put `G: '| grep'` to your ~/.inputrc and every time you type G, you get '| grep'. This may break something

You can use keybindings to achieve similar function, put `G: '| grep'` to your ~/.inputrc and every time you type G, you get '| grep'. This may break something because it mapped a regular letter, so maybe `Control-g: '| grep'` is better.