Modify the partition table

Hi,Please let me know how to modify the partition table of the disk on to which root is mounted. I want to extend the root space, by modifying the partition table.Is there any other way of extending the root disk space?Thanks in Advance- Sarat.
[279 byte] By [Sarat@Solarisa] at [2007-11-26 17:51:17]
# 1
Take backup, re-partition, newfs, restore (you are talking about simple root, no mirroring/veritas, right?)
HASAN@SUN.COMa at 2007-7-9 5:03:47 > top of Java-index,Solaris Operating System,Solaris Essentials - General Technical Questions...