If you only want to change the settings for yourself, then edit them
locally, NOT in the system-wide files, e.g.:
$ cat .bash_profile
...
export
PAGER='less --quit-if-one-screen --quit-at-eof --jump-target=2 --ignore-case
'
PATH=~/bin:${PATH}
~mark
From: "Gary Turner" <kk5st@swbell.net>
> This looks to be just what I need. Presumeably I can define CLASSPATH
> and PYTHONPATH et al. in the same file.