pulsar/README.md
Xue Fuqiao cd3f7f73a0 Change Mac OS X to OS X.
Apple has renamed Mac OS X to OS X.
2015-01-31 12:36:35 +08:00

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Markdown

![Atom](https://cloud.githubusercontent.com/assets/72919/2874231/3af1db48-d3dd-11e3-98dc-6066f8bc766f.png)
Atom is a hackable text editor for the 21st century, built on [atom-shell](https://github.com/atom/atom-shell), and based on everything we love about our favorite editors. We designed it to be deeply customizable, but still approachable using the default configuration.
Visit [atom.io](https://atom.io) to learn more or visit the [Atom forum](https://discuss.atom.io).
Visit [issue #3684](https://github.com/atom/atom/issues/3684) to learn more
about the Atom 1.0 roadmap.
## Installing
### OS X
Download the latest [Atom release](https://github.com/atom/atom/releases/latest).
Atom will automatically update when a new release is available.
### Windows
Download the latest [AtomSetup.exe installer](https://github.com/atom/atom/releases/latest).
Atom will automatically update when a new release is available.
You can also download an `atom-windows.zip` file from the [releases page](https://github.com/atom/atom/releases/latest).
The `.zip` version will not automatically update.
#### Uninstalling Chocolatey Version
The recommended installation of Atom on Windows used to be using [Chocolatey](https://chocolatey.org/packages/Atom/).
This is no longer recommended now that the Atom Windows installer & auto-updater
exists.
To switch from Chocolatey to the new installer:
* Upgrade to Atom 0.155 or above by running `cup Atom`
* Run `cuninst Atom` to uninstall the Chocolatey version of Atom
* This will not delete any of your installed packages or Atom config files.
* Download the latest [AtomSetup.exe installer](https://github.com/atom/atom/releases/latest).
* Double-click the downloaded file to install Atom
### Debian Linux (Ubuntu)
Currently only a 64-bit version is available.
1. Download `atom-amd64.deb` from the [Atom releases page](https://github.com/atom/atom/releases/latest).
2. Run `sudo dpkg --install atom-amd64.deb` on the downloaded package.
3. Launch Atom using the installed `atom` command.
The Linux version does not currently automatically update so you will need to
repeat these steps to upgrade to future releases.
### Red Hat Linux (Fedora, CentOS, Red Hat)
Currently only a 64-bit version is available.
1. Download `atom.x86_64.rpm` from the [Atom releases page](https://github.com/atom/atom/releases/latest).
2. Run `sudo yum localinstall atom.x86_64.rpm` on the downloaded package.
3. Launch Atom using the installed `atom` command.
The Linux version does not currently automatically update so you will need to
repeat these steps to upgrade to future releases.
## Building
* [Linux](docs/build-instructions/linux.md)
* [OS X](docs/build-instructions/os-x.md)
* [FreeBSD](docs/build-instructions/freebsd.md)
* [Windows](docs/build-instructions/windows.md)
## Developing
Check out the [guides](https://atom.io/docs/latest) and the [API reference](https://atom.io/docs/api).