apt-get install  samba-common smbclient samba-common-bin smbclient  cifs-utils

mkdir /mnt/abc
mount -t cifs //server/share /mnt/abc

mount -t cifs //server/share /mnt/abc -o user=user,pass=password,dom=domain

umount /mnt/abc

sudo nano /etc/fstab

//server/share  /mnt/abc  cifs  guest  0  0

sudo mount -a

//server/share  /mnt/abc cifs username=username,password=password  0  0

nano ~/.smbcredentials

username=username
password=password

chmod 600 ~/.smbcredentials

//server/share  /mnt/abc cifs credentials=/home/pi/.smbcredentials  0  0

sudo mount -a