VirtualBox shared folder mount

Problem
Mounted shared folder available only for root inside guest OS (Linux)

How to solve
1. Add user to vboxsf group:
sudo usermod -aG vboxsf your_user_name
2. Reboot guest OS

Manual mount/unmount with access options:
sudo umount /media/sf_Share
sudo mount -t vboxsf -o rw,uid=$USER,gid=vboxsf,dmode=775,fmode=664 Share /media/sf_Share