iSQL*Plus does not support some of the SQL*Plus commands; they are simply not applicable and if you issue the command it will raise an SP2–0850 error message. Table C.1 lists these unsupported commands.
Table C.1. Unsupported SQL*Plus Commands in Oracle 10g
Clears screen of commands.
Set the default editor.
Sets the default file name for the EDIT file. The default file name in the Windows environment is afiedt.buf.
Setting FLUSH off allows the operating system to buffer the output.
Loads a file into the SQL buffer.
Executes an operating system command from within SQL*Plus.
Changes the password without displaying ...