
The command is installed when Guest Additions is installed. You can change where the folder is mounted by using the VBoxControl command. This is done by changing the vboxsf line in the /etc/group file.

You can access the share by making the user, or group id of 1000, a member of group vboxsf. The default mount location is in /media/sf_.

The issue becomes that the mount point may not be where desired, and the permissions are root only. In the Linux guest, the mount command should show a line that the share was mounted. Make sure VirtualBox Guest Additions are installed in the VirtualBox guest. Use the VirtualBox host's application, VirtualBox Manager, to specify host folders to share. For VirtualBox with a Linux guest, these are the steps to mount a shared folder:
