There are a few ways to quickly check whether a package is currently installed. Here’s how you can check whether or not a package is installed in Linux.
You can easily check if your computer is running 24/7 by checking its uptime. Here is how you can do so in Windows and Linux.
To test out a new version of a software in Linux, the usual way is to overwrite your current stable version with the newer one. This tutorial shows you how to test the new LibreOffice without losing your current install.