Cross Reference: /test/vts-testcase/kernel/ltp/shell_environment/definitions

`Name`	`Date`	`Size`
Up to higher level directory
`__init__.py`	21-Aug-2018	`0`
`base_definitions/`	21-Aug-2018
`bin_in_path.py`	21-Aug-2018	`2.5K`
`directory_exists.py`	21-Aug-2018	`3K`
`loop_device_support.py`	21-Aug-2018	`1K`
`path_permission.py`	21-Aug-2018	`3.5K`