Hi Can I know how to use sed to substitue 2 instead of 1 at the same time? eg: sed 's/pchloe.com/abc.com/ ; /192.92.123.5/10.10.0.3/g' orgfile >> newfile thank you __________________________________________________________________ Be smarter than spam. See how smart SpamGuard is at giving junk email the boot with the All-new Yahoo! Mail. Click on Options in Mail and switch to New Mail today or register for free at http://mail.yahoo.ca