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# FSUnaryFileSystemOperations

Operations performed by a unary file system.

```
protocol FSUnaryFileSystemOperations : NSObjectProtocol
```

## Overview

Make sure your subclass of [`FSUnaryFileSystem`](/documentation/FSKit/FSUnaryFileSystem) conforms to this protocol.

## Topics

### Loading and unloading resources

[`loadResource(resource:options:replyHandler:)`](/documentation/FSKit/FSUnaryFileSystemOperations/loadResource(resource:options:replyHandler:))

Requests that the file system load a resource and present it as a volume.

[`unloadResource(resource:options:replyHandler:)`](/documentation/FSKit/FSUnaryFileSystemOperations/unloadResource(resource:options:replyHandler:))

Requests that the file system unload the specified resource.

[`didFinishLoading()`](/documentation/FSKit/FSUnaryFileSystemOperations/didFinishLoading())

Notifies you that the system finished loading your file system extension.

### Probing resources

[`probeResource(resource:replyHandler:)`](/documentation/FSKit/FSUnaryFileSystemOperations/probeResource(resource:replyHandler:))

Requests that the file system probe the specified resource.

[`FSProbeResult`](/documentation/FSKit/FSProbeResult)

An object that represents the results of a specific probe.


---

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