On linux you have the ability to mount network share as they were part of your local storage ,
On debian , you need to have a package named cifs-utils specialised to mount network share.

after installation of the package using the command :

apt-get install cifs-utils

You have to create a folder to attach the mount to

mkdir /media/netshare

mount -t cifs "//host-of-the-share/disk/" /media/netshare -o guest,iocharset=utf8,file_mode=0777,dir_mode=0777

if you have to identify yourself to use the network share the command is slightly different :

mount -t cifs "//host-of-the-share/disk/" /media/netshare -o user=username,iocharset=utf8,file_mode=0777,dir_mode=0777

the system should ask you for your password

to check if you mount was successfull , you can check the mount using

df