To share a folder called share between the Windows operating system and Fedora 39 using VirtualBox, the folder must be created and added to the settings as follows:
In VirtualBox, make sure the Fedora virtual machine is stopped.
Select the Fedora virtual machine in the list of virtual machines and click the "Settings" button on the top bar of the VirtualBox window.
In the "Settings" window of the virtual machine, select the "Shared Folders" category.
Click the "+" button on the right to add a new shared folder.
In the "Add Share" window, specify the following details:
Folder Path: Browse to and select the C:\share folder on the host.
Folder Name: You can enter a name for the shared folder.
Select the access options you want, such as "Auto-mount" and "Make Permanent".
Click the "OK" button to save the settings.
Start the Fedora virtual machine and on the Fedora virtual machine, open a terminal and run the following command to mount the shared folder:
You can see the file test.txt is visible in Fedora.
