A curated list of essential free and open source software applications for the graphical user interface (GUI) or better known as desktop Linux. For ease of locating an application the list has been organized by category. In order for an application to be included in this list I come up with criteria that must be met before being considered.

In this detailed guide, we will discuss how to:

Test SSD and HDD health using S.M.A.R.T. data,
Interpret S.M.A.R.T data (i.e understanding various S.M.A.R.T attributes),
Understand key warning signs of a failing drive,
Run Self-Tests using smartctl,
Scan for bad sectors,
Check File system integrity,
Setting up monitoring for SSD wear levels,
Troubleshooting common issues.