Shebang
Also written: #!/usr/bin/env node
A first line, `#!/usr/bin/env node`, telling macOS and Linux to run the file with Node. Combined with `chmod +x` it lets you type `./kc.js`.
Also written: #!/usr/bin/env node
A first line, `#!/usr/bin/env node`, telling macOS and Linux to run the file with Node. Combined with `chmod +x` it lets you type `./kc.js`.