Starting cqlsh on Linux

A brief description on starting cqlsh on Linux.

This procedure briefly describes how to start cqlsh on Linux. The cqlsh command is covered in detail later.

Procedure

Navigate to the Apache Cassandra™ installation directory.
Start cqlsh on the Mac OSX, for example.
```
bin/cqlsh
```
If you use security features, provide a user name and password.
Optionally, specify the IP address and port to start cqlsh on a different node.
```
bin/cqlsh 1.2.3.4 9042
```

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