$$ 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.
Rust is a more recent programming language focused on performance and memory safely, mainly safe concurrency.
Pygame is an open source cross-platform Python module used for designing and scripting video games. Pygame can be a great module to use on a device like Raspberry Pi. I tried using Pip to install Pygame, but that did not work, here is the right way to get it installed on Fedora. Pygame is available […]
Most Linux distributions don’t ship with the wireless drivers for the MacBook Pro 2012. This method should work on any Linux distribution that supports this firmware. This is an offline method; you will need a second computer to copy the zip archive specified and moved to the MacBook Pro 2012 or use Ethernet (with adapter) […]