Korn Shell: Unix and Linux Programming Manual, Third Edition, The By Anatole Olczak
Table of Contents
Appendix G. Pdksh Quick Reference
$HOME/.profile
contains local environment settings, such as the search path, execution options, local variables, aliases, and more. At login time, it is read in and executed after the /etc/profile file.
$HOME/.sh_history
contains previously executed commands
$ENV
contains the name of the file that has aliases, function, options, variables, and other environment settings that are to be available to subshells
