v_jprivate

  If your 'jprivate' variable is non-zero (whether a number, 'true' or 'on'),
the your journal cannot be read by others.  If your 'jprivate' variable is
zero ('false' or 'off'), it can be read and copied by other users.

See Also:  journal  set  variables

[Last modified: March 10, 1996 -- Friar]