System Administration Guide: Naming and Directory Services (NIS+)

nistbladm and the Number of Days Password Parameter in NIS+

Most password aging parameters are expressed in number of days.

The following principles and rules apply:

Values are entered in both the Lastchange and the Expire fields as a number of days since January 1, 1970, as in the following.

Table 16–2 Number of Days Since 1/1/70 Password Parameter in NIS+


Day Number 

January 1, 1970 

January 2, 1970 

January 2, 1971 


January 1, 1997