<p dir="auto">Julia has a few setting that can controlled through environmental variables. Most of these settings are undocumented in the manual. From a cursory scan of Julia base these seem to be the available environmental variables settings for Julia:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="JULIA_HISTORY
JULIA_CPU_CORES
JULIA_LOAD_PATH
JULIA_WORKER_TIMEOUT
JULIA_EDITOR
JULIA_SHELL
JULIA_DEBUG_LOADING
JULIA_INPUT_COLOR
JULIA_ANSWER_COLOR
JULIA_ERROR_COLOR
JULIA_WARN_COLOR
JULIA_INFO_COLOR
JULIA_STACKFRAME_LINEINFO_COLOR
JULIA_STACKFRAME_FUNCTION_COLOR"><pre class="notranslate"><code class="notranslate">JULIA_HISTORY
JULIA_CPU_CORES
JULIA_LOAD_PATH
JULIA_WORKER_TIMEOUT
JULIA_EDITOR
JULIA_SHELL
JULIA_DEBUG_LOADING
JULIA_INPUT_COLOR
JULIA_ANSWER_COLOR
JULIA_ERROR_COLOR
JULIA_WARN_COLOR
JULIA_INFO_COLOR
JULIA_STACKFRAME_LINEINFO_COLOR
JULIA_STACKFRAME_FUNCTION_COLOR
</code></pre></div>
<p dir="auto">It would be useful to have a doc section on envvars, seeing as we're starting to get more of them (that are quite useful as well!)  Things like <code class="notranslate">JULIA_PKGDIR</code>, <code class="notranslate">JULIA_LOAD_PATH</code> (once <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="25794335" data-permission-text="Title is private" data-url="https://github.com/JuliaLang/julia/issues/5425" data-hovercard-type="pull_request" data-hovercard-url="/JuliaLang/julia/pull/5425/hovercard" href="https://github.com/JuliaLang/julia/pull/5425">#5425</a> is merged), <code class="notranslate">JULIA_HOME</code>, <code class="notranslate">JULIA_CPU_CORES</code>, <code class="notranslate">JULIA_EDITOR</code>, etc...</p>