KDiskFree displays information about hard disks and other storage devices,
including the amount of free space available. It can also mount and unmount
storage devices and view them in the file manager.
KwikDisk is an icon for the system tray that provides convenient access to
the features of KDiskFree.
The packages for RHEL 8 and RHEL 7 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 8 and RHEL 7, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 8 with the following command: