The Oracle installation requires some preparation such as creating the Oracle user and group ID, creating disk groups, volumes, and mount points, and configuring private IP addresses for CRS. You can perform tasks in the configuration program sequentially at one time, or you can access the program for individual tasks later.
To perform pre-installation tasks in the configuration menu
By default, the installsfrac program uses SSH for remote communication. However, to use RSH, specify the -rsh option with the installsfrac program.