file_or_raw 

This parameter determines the initial behavior of the tablespace management This setting can be changed at any time in the SAPDBA menu (except for NT : value is always 1 ).

Default value:

0 for Unix

 

2 for Unix with OPS

 

1 for NT (cannot be changed)

Possible values: 0, 1, 2 . These values have the following meaning:
 0 : The user can choose whether a data file is created on a file system or on a raw device.

1 : A data file is created on a file system.

2 : A data file is created on a raw device.

See also: Files/Raw Devices of a Tablespace, Extending a Tablespace, ORACLE Databases on Raw Devices.