YINODZ are the options given when upgrading a package in linux and there is an existing configuration file for that package. The upgrade system then asks what you want to do with the files:
Configuration file `/etc/bash.bashrc' ==> Modified (by you or by a script) since installation. ==> Package distributor has shipped an updated version. What would you like to do about it ? Your options are: Y or I : install the package maintainer's version N or O : keep your currently-installed version D : show the differences between the versions Z : start a shell to examine the situation The default action is to keep your current version. *** bash.bashrc (Y/I/N/O/D/Z) [default=N] ?