The HOST command allows you to execute an operating-system command or invoke the command interpreter so you can execute several such commands.
HO[ST] [os_command
]
where:
Is the command, which may be abbreviated to HO. Issuing HOST without specifying a command will get you a command prompt from which you may enter several commands. Under Windows 95 and NT, for example, a DOS window will be opened.
Is the operating-system command you wish to execute. SQL*Plus will execute this one command for you, and then you will be returned to the SQL*Plus prompt.