You've been successfully using pliers to pull the drawer open by the missing knob's screw.
Uh-oh! You left the drawer ajar in a pinch, forgot about it, and then caught your favorite sweatpants on the screw, making an ugly hole! And you don't have gray thread to match!

Looks like wojakified GNU, which says it's an OS on their website.
https://www.gnu.org/
But as I understand it, it's a SW collection that gets shipped with OSs but needs a kernel (usually Linux) to work as an OS.