Enables buffer-change journaling for the specified buffers.
    Format
      SET JOURNALING   [buffer-name]
1 – Qualifier
1.1 /ALL
    Specifies that all of LSE's user buffers that exist when the
    command is issued should be journaled. If you specify the /ALL
    qualifier, you cannot specify the buffer-name parameter.
2 – Parameter
 buffer-name
    Specifies the name of the buffer that should be journaled. If you
    omit this parameter, the default is the current buffer.