Counter-Strike Passwords

Activate the console via the tild (~) key on the server (host) machine and type "sv_cheats 1"

Then while in the console, type the following to enable the 'cheat'.
PasswordWhat it does
darkkriss s.v.d
sv_full health 123Full health
33up643Max ammo
cs_maxplayerHave more players in the game
noclipmake you move anywhere faster
notargetnobody can see you