Command Description
adminlogin <password> = Logs you in as admin using password
adminlogin <username> <password> = Logs you in as admin using password and your specific username
adminlogout = Logs out admin
admin adminsay <message> = Displays message in the middle of each player's screen
admin map <KF-mapname.rom> = Changes current map to KF-mapname.rom
admin Switch <KF-mapname.rom> = Changes current map to KF-mapname.rom
pause = Pauses the game
admin Kick = remove a user from the game. A user can either be their ID (as shown by kick list)
admin KickBan = Ban a user from the game. A user can either be their ID (as shown by kick list)
admin RestartMap = Restart Current Map.
admin NextMap = Go to NextMap.
admin PlayerList = Write player list save to KillingFloor.log

If you want to bind a key to store your username and password for admin login, open the console and type:-
set input <key> "adminlogin <username> <password>" = Logs you in as admin using password and your specific username