how to change the part before the cursor of the terminal in vscode code example

Example 1: visual studio code spawn multiple cursors

//Spawn multiple cursors in Visual Studio Code (OS: Windows)
alt + left mouse click

Example 2: vscode show commands entered

// VSCode on Mac while on terminal
Ctrl + R 
// Then type-in your search criteria and hit the up arrow key to select
// or hit enter to execute the code