Set Permission

Running Suse 11.1 Kde 3.5.10.I have three Partition setup to share over a network(samba).I can not set Read Write Permission with out editing smb.file

Path=/data
guest ok=yes

Have to edited to have

Path=/Data
guest ok=yes
(add) read only=no

How do i set Permission with out having to manually edit with kwrite ?

You should be able to add samba users, and use regular Linux permissions for the Linux user the samba user is mapped to.