..  Copyright (c) 2014-present PlatformIO <contact@platformio.org>
    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.

General
-------

What is PlatformIO?
~~~~~~~~~~~~~~~~~~~

Please refer to :ref:`what_is_pio`

What is ``.pio`` directory
~~~~~~~~~~~~~~~~~~~~~~~~~~

Please refer to :ref:`projectconf_pio_workspace_dir`.

Command completion in Terminal
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Please refer to :ref:`cmd_system_completion`.

99-platformio-udev.rules
~~~~~~~~~~~~~~~~~~~~~~~~

Please refer to :ref:`platformio_udev_rules`.

Multiple PlatformIO Cores in a system
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Please refer to :ref:`multiple_pio_cores_issue`.
