Set the linux shared folder in VirtualBox in windows 7

The enhancement feature of virtualbox linux must be installed. An optical drive is assigned. After the enhancement feature is selected, VBoxGuestAdditons is automatically added. mount-t iso9660/dev/cdrom1/cdrom on your own. Then you can mount the disk and install it directly.
 
After the Enhancement Tool is installed, you can add data space in virtualbox. Find your shared directory in windows and create a mount point in virtualbox linux:
 
1. Turn off the virtual machine, open the virtual machine settings, select the folder you want to share in the data space, and rename
 
2. Enable the Virtual Machine and reinstall the enhancement function.
 
3. Open the terminal and log on to root,
 
4. mkdir/mnt/share
 
5. mount-t vboxsf youname/mnt/share (youname is the name you give to the shared folder)
 
6. Go to computer-File System-mnt-share and check if it is ready.