List shares on host:

smbclient -L 192.168.1.100

Browse share:

smbclient \\\\192.168.1.100\\shared

Mount:

mount -t smbfs -o username=foo,password=bar //192.168.1.100/shared /mnt/smb

or

smbmount //192.168.1.103/shared ~/mnt -o username=foo,password=bar,rw