If you want a read-only union, make the mount read-only, e.g., mount -t unionfs -o ro,dirs=/a:/b none /u
Josef 'Jeff' Sipek. -- You measure democracy by the freedom it gives its dissidents, not the freedom it gives its assimilated conformists. - Abbie Hoffman -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]