How to set environment variables can be found in the [docs]( https://conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html#set-env-vars).
And there also seem to be [different ways]( https://stackoverflow.com/a/62508395/991496).
CheckInstall will create a Slackware, RPM or Debian compatible package and install it with Slackware's installpkg, "rpm -i" or Debian's "dpkg -i" as appropriate, so you can view it's contents with pkgtool ("rpm -ql" for RPM users or "dpkg -l" for Debian)