<!-- @license Apache-2.0 Copyright (c) 2018 The Stdlib Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> # OS [![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] [![dependencies][dependencies-image]][dependencies-url] > Standard library OS utilities. <section class="installation"> ## Installation ```bash npm install @stdlib/os ``` </section> <section class="usage"> ## Usage ```javascript var ns = require( '@stdlib/os' ); ``` #### ns Standard library OS utilities. ```javascript var os = ns; // returns {...} ``` The namespace contains a variety of OS-related utility methods: <!-- <toc pattern="*" ignore="+(arch|num-cpus|platform|byte-order|float-word-order)" > --> <div class="namespace-toc"> - <span class="signature">[`configdir( [path] )`][@stdlib/os/configdir]</span><span class="delimiter">: </span><span class="description">return a directory for user-specific configuration files.</span> - <span class="signature">[`homedir()`][@stdlib/os/homedir]</span><span class="delimiter">: </span><span class="description">return the current user's home directory.</span> - <span class="signature">[`tmpdir()`][@stdlib/os/tmpdir]</span><span class="delimiter">: </span><span class="description">return the directory for storing temporary files.</span> </div> <!-- </toc> --> In addition, it exports the following constants: <!-- <toc pattern="+(arch|num-cpus|platform|byte-order|float-word-order)" > --> <div class="namespace-toc"> - <span class="signature">[`ARCH`][@stdlib/os/arch]</span><span class="delimiter">: </span><span class="description">operating system CPU architecture.</span> - <span class="signature">[`BYTE_ORDER`][@stdlib/os/byte-order]</span><span class="delimiter">: </span><span class="description">platform byte order.</span> - <span class="signature">[`FLOAT_WORD_ORDER`][@stdlib/os/float-word-order]</span><span class="delimiter">: </span><span class="description">platform float word order.</span> - <span class="signature">[`NUM_CPUS`][@stdlib/os/num-cpus]</span><span class="delimiter">: </span><span class="description">number of CPUs.</span> - <span class="signature">[`PLATFORM`][@stdlib/os/platform]</span><span class="delimiter">: </span><span class="description">platform on which the current process is running.</span> </div> <!-- </toc> --> </section> <!-- /.usage --> <section class="examples"> ## Examples <!-- TODO: better examples --> <!-- eslint no-undef: "error" --> ```javascript var objectKeys = require( '@stdlib/utils/keys' ); var ns = require( '@stdlib/os' ); console.log( objectKeys( ns ) ); ``` </section> <!-- /.examples --> <section class="main-repo" > * * * ## Notice This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more. For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib]. #### Community [![Chat][chat-image]][chat-url] --- ## License See [LICENSE][stdlib-license]. ## Copyright Copyright © 2016-2021. The Stdlib [Authors][stdlib-authors]. </section> <!-- /.stdlib --> <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> <section class="links"> [npm-image]: http://img.shields.io/npm/v/@stdlib/os.svg [npm-url]: https://npmjs.org/package/@stdlib/os [test-image]: https://github.com/stdlib-js/os/actions/workflows/test.yml/badge.svg [test-url]: https://github.com/stdlib-js/os/actions/workflows/test.yml [coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/os/main.svg [coverage-url]: https://codecov.io/github/stdlib-js/os?branch=main [dependencies-image]: https://img.shields.io/david/stdlib-js/os.svg [dependencies-url]: https://david-dm.org/stdlib-js/os/main [chat-image]: https://img.shields.io/gitter/room/stdlib-js/stdlib.svg [chat-url]: https://gitter.im/stdlib-js/stdlib/ [stdlib]: https://github.com/stdlib-js/stdlib [stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors [stdlib-license]: https://raw.githubusercontent.com/stdlib-js/os/main/LICENSE <!-- <toc-links> --> [@stdlib/os/arch]: https://www.npmjs.com/package/@stdlib/os/tree/main/arch [@stdlib/os/byte-order]: https://www.npmjs.com/package/@stdlib/os/tree/main/byte-order [@stdlib/os/float-word-order]: https://www.npmjs.com/package/@stdlib/os/tree/main/float-word-order [@stdlib/os/num-cpus]: https://www.npmjs.com/package/@stdlib/os/tree/main/num-cpus [@stdlib/os/platform]: https://www.npmjs.com/package/@stdlib/os/tree/main/platform [@stdlib/os/configdir]: https://www.npmjs.com/package/@stdlib/os/tree/main/configdir [@stdlib/os/homedir]: https://www.npmjs.com/package/@stdlib/os/tree/main/homedir [@stdlib/os/tmpdir]: https://www.npmjs.com/package/@stdlib/os/tree/main/tmpdir <!-- </toc-links> --> </section> <!-- /.links -->