Update fstab Step

This step updates, adds, and removes rules from the fstab file.

Required properties: None

Optional properties:

Property Name	Description
fstab file path	Specify the path to the `fstab` file, including the file name, if it is not at the following location: `/etc/fstab`
Add/Update rules	A new-line-separated list of rules to add or update
Remove rules	A new-line-separated list of devices to remove; specify only the source device, not the full `fstab` rule
Backup file suffix	Enter a value here to create a backup of the original `fstab` file. The value is appended to the original file name.
File owner	Enter the owner to be set for the `fstab` file. For example: `root:root` If no value is supplied, the new file owner is based on the agent process ID.
File permissions	Enter the permissions to be set for the `fstab` file. For example: `644` If no value is supplied, the new file permissions are based on the `umask` value.