@YaBoiChipsAhoy Run "glxinfo | grep -i opengl" in terminal and show the result.

@FredRocha Login to your account, go to user account settings, and click on your profile photo. Look at this: cdn.fosslinux.com/wp-content/uploads/2016/03/06234926/…

@shivam bionic is the codename of Ubuntu 18.04.4 (Bionic Beaver). The current version of elementary is based on Ubuntu.

@shivam The find command search all files in /etc/apt folder and send them for the "|" (pipe). Xargs gets the filenames from the pipe, takes them one by one, and executes the sed command on them. The sed command replaces hera to bionic in the files.