is a module for the nsswitch subsystem which makes
when it is updated.
In the traditional implementation of
it is initialized by the application once and never reread
after that even if the file is updated.
This module is useful especially when name servers in
are changed frequently as seen in mobile environment.
keyword is required before
hosts: resinit files dns
prevents from rereading
during certain period to intend to reduce overhead for checking a
modified time of
This interval can be changed by setting
The default interval is 10 seconds.