Update administration-zk-bk to add the way to start bookie in foreground.
### Motivation
Update administration-zk-bk to add the way to start bookie in foreground
### Modifications
Add `bookkeeper` to start a bookie.
@@ -183,9 +183,15 @@ BookKeeper bookies can be configured using the [`conf/bookkeeper.conf`](referenc
You can start up a bookie in two ways: in the foreground or as a background daemon.
-To start up a bookie in the foreground, use the [`bookeeper`](reference-cli-tools.md#bookkeeper)
+To start up a bookie in the foreground, use the [`bookeeper`](reference-cli-tools.md#bookkeeper) CLI tool:
-```shell
+```bash
+$ bin/bookkeeper bookie
+```
+
+To start a bookie in the background, use the [`pulsar-daemon`](reference-cli-tools.md#pulsar-daemon) CLI tool:
+
+```bash
$ bin/pulsar-daemon start bookie
```
