Hosting a Dedicated Server in OS X

Like linux, you can also host a dedicated bitfighter server on mac. Easier, you don't even have to build it, all the files are already there.

First, locate your game, bitfighter.app
Navigate through Contents > MacOS > Bitfighter
Open the application terminal, located in Applications > Utilities
Drag the bitfighter executable into the terminal window
- After that is done, type a space, and then input -dedicated
- press enter when your done and open the main .app game to see if your server is up

Command line options

along with -dedicated, other commands can be typed in before pressing enter. more than one command may be used

-dedicated [bindAddress] starts Zap as a dedicated server

-name [playerName] sets the client's name to the specified name and skips the name entry screen.

-levels ["level1 level2 level3 ... leveln"] sets the specified level rotation for games

-hostname [hostname] sets the name that will appear in the server browser when searching for servers.

-maxplayers [number] sets the maximum number of players allowed on the server

-password [password] sets the password for access to the server.

-adminpassword [password] sets the administrator password for the server.

-server [bindAddress] hosts a game server/client on the specified

       bind address.

-connect [connectAddress] starts as a game client and attempts

       to connect to the server at the specified address.

-master [masterAddress] specfies the address of the master server

       to connect to.

Excerpt: bitfighter readme.txt