diff --git a/app/src/cli/crossPlatformSpecs-cli.ts b/app/src/cli/crossPlatformSpecs-cli.ts
index 4afdbaa..658f751 100644
--- a/app/src/cli/crossPlatformSpecs-cli.ts
+++ b/app/src/cli/crossPlatformSpecs-cli.ts
@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-import crossPlatformSpecs from "../crossPlatformSpecs.js"
+import * as spec from "../crossPlatformSpecs.js"
 import { program } from "commander"
 import reqPackageJson, { reqPackagePath } from "req-package-json"
 import {promises as fs} from "fs"
@@ -7,6 +7,7 @@ import * as path from "path"
 const config = reqPackageJson()
 import * as console from "./../lib/logger"
 
+
 program
   .version(config.version)
   .description(config.description)
@@ -14,12 +15,12 @@ program
   .option('-s, --silent', 'silence stdout')
   // .argument('<required example>', "description of required example")
   // .argument('[optional example]', "description of optional example")
-  .action((arg1, arg2, options) => {
+  .argument('[specific spec]', `Optionally provide a spec name of interest to only return that spec. Can be one of ["environment", "osName", "osVersion", "runtime", "runtimeVersion", "engine", "engineVersion", "cpuName", "cpuCores", "cpuArch", "memAvailable", "memFree"]. If omitted, a summery of all specs will be returned.`)
+  .action((spec, options) => {
     console.setVerbose(!options.silent)
     
-    // crossPlatformSpecs()
-    
-    
+    if (spec !== undefined) console.log(spec[spec])
+    else console.log(spec.allSpecs())
   })
 
 .parse(process.argv)
diff --git a/cjsIfyMod.mjs b/cjsIfyMod.mjs
deleted file mode 100644
index 7a7da3b..0000000
--- a/cjsIfyMod.mjs
+++ /dev/null
@@ -1,32 +0,0 @@
-import { rollup } from 'rollup';
-import commander from 'commander';
-import path from 'path';
-import fs from 'fs';
-
-const { program } = commander;
-
-program
-  .argument("<input dir>", "Input dir")
-  .action((dir) => {
-    for (const file of walkDir(dir).filter(file => file.endsWith(".js"))) {
-      rollup({
-        input: file,
-        
-
-
-    }
-  })
-
-
-function walkDir(dir) {
-  if (!fs.statSync(dir).isDirectory()) return [dir]
-  const ls = []
-  for (const file of fs.readdirSync(dir)) {
-    const filePath = path.join(dir, file);
-    if (fs.statSync(filePath).isDirectory()) {
-      ls.push(...walkDir(filePath));
-    } else {
-      ls.push(filePath);
-    }
-  }
-}
diff --git a/package.json b/package.json
index f36a2d8..bf52045 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Aggregation of functions to get system specs with a unified API for web and node.",
   "main": "./app/dist/esm/crossPlatformSpecs.mjs",
   "types": "./app/dist/esm/crossPlatformSpecs.d.ts",
-  "bin": "./app/dist/cjs/cli/crossPlatformSpecs-cli.js",
+  "bin": "./app/dist/esm/cli/crossPlatformSpecs-cli.mjs",
   "exports": {
     "node": {
       "import": "./app/dist/esm/crossPlatformSpecs.mjs",