The latest articles on DEV Community by วิภาวดี อามาตย์สมับัติ (@vipawadee). https://dev.to/vipawadee https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F966650%2F7c6e0f39-5e76-4edf-9bc0-edd81e958707.jpg https://dev.to/vipawadee en วิภาวดี อามาตย์สมับัติ Thu, 31 Aug 2023 11:09:22 +0000 https://dev.to/vipawadee/how-to-set-environment-variables-in-macos-23af https://dev.to/vipawadee/how-to-set-environment-variables-in-macos-23af <h2> List all environment variables </h2> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$printenv </code></pre> </div> <h2> Check a specific environment variable </h2> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$echo $[variable name] </code></pre> </div> <h2> Set emporary environment variable </h2> <p><strong>Step 1 :</strong> Open <code>~/.bash_profile</code> for add new environment variable<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$open ~/.bash_profile </code></pre> </div> <p><strong>Step 2 :</strong> Add new environment variable to <code>~/.bash_profile</code><br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>export [variable_name]=[variable_value] </code></pre> </div> <p><strong>Step 3 :</strong> Save any changes to <code>~/.bash_profile</code><br> <strong>Step 4 :</strong> Use the <code>source</code> to execute the new <code>~/.bash_profile</code><br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$source ~/.bash_profile </code></pre> </div> <h2> Set permanent environment variable </h2> <p><strong>Step 1 :</strong> Open <code>~/.zshrc</code> for add new environment variable<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$open ~/.zshrc </code></pre> </div> <p><strong>Step 2 :</strong> Add new environment variable to <code>~/.zshrc</code><br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>export [variable_name]=[variable_value] </code></pre> </div> <p><strong>Step 3 :</strong> Save any changes to <code>~/.zshrc</code><br> <strong>Step 4 :</strong> Use the <code>source</code> to execute the new <code>~/.bash_profile</code><br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$source ~/.zshrc </code></pre> </div> <h2> Unset environment variable </h2> <p>Use the <code>unset</code> command to remove an environment variable<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>$unset [variable_name] </code></pre> </div>