Mount the share with user/pass:
smbmount //winpc/shared /mnt/share -o username=user,password=pass,rw
Or mount the share without a user/pass (this is true if Everyone is still set)
smbmount //winpc/shared /mnt/share -o rw
Mount the share with user/pass:
smbmount //winpc/shared /mnt/share -o username=user,password=pass,rw
Or mount the share without a user/pass (this is true if Everyone is still set)
smbmount //winpc/shared /mnt/share -o rw