Add asr to commands.

LICENSE.md

@@ -3,7 +3,7 @@
 ```text
 The MIT License (MIT)
 
-Copyright (c) 2019 Kenneth Endfinger
+Copyright (c) 2020 Kenneth Endfinger
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -29,6 +29,7 @@ A list of built-in tools in macOS that you probably didn't know about.
     - [nscurl](#nscurl)
     - [taskinfo](#taskinfo)
     - [taskpolicy](#taskpolicy)
+    - [asr](#asr)
 
 ## Commands
 
@@ -1638,3 +1639,21 @@ ProductName:    macOS
 ProductVersion: 11.0
 BuildVersion:   20A2411
 ```
+
+### asr
+
+asr stands for Apple Software Restore. It is used for copying volume content.
+
+```text
+$ asr
+Usage: asr <verb> <options>
+  <verb> is one of the following:
+    asr help | version
+    asr restore --source <source> --target <target> [<options>]
+    asr restore --source asr://<host>/ --file <file> [<options>]
+    asr server  --source <source> --config <plist> [<options>]
+    asr imagescan --source <source> [--filechecksum] [--nostream]
+    asr info --source <source> [--plist]
+```
+
+There is a [great WWDC talk](https://developer.apple.com/videos/play/wwdc2019/710/) which dives into ASR around the eleven minute mark.