Is test a shell builtin or actual program?

```
bruce@Bruce:~$ type -a test
test is a shell builtin
test is /usr/bin/test
bruce@Bruce:~$

bruce@Bruce:~$ file /usr/bin/test
/usr/bin/test: ELF 64-bit LSB executable
bruce@Bruce:~$ 

```

My system is running Ubuntu 13.04 and BASH 4.2.45(1)-release.