Install Deno on Arch Linux

Deno is a secure runtime for JavaScript and TypeScript. Deno is basically Node reversed. We will install Deno on Arch Linux. Enter the following commands in Terminal. Next step is specifying Deno’s path to bash. Open .bashrc and add the lines below to it. Open a new Terminal instance. Enter the following command. To check… Continue reading Install Deno on Arch Linux

What is $$ in Bash?

$$ is an internal variable, it stores the process ID of the script itself or the current bash instance. Here is an example use case The output prompted.