These are commands that i've learned in Counter-server.. its on there and heres the link
->Link<-
Here are the commands (if u don't feel like goin to that server)
mp_autokick 1:Toggles automatic team-killer banning and kicking of idle clients - Setting of 1 = 'on', and 0 = 'off'
mp_autoteambalance 1:Toggles the forcing of clients to join teams to make it balanced - Setting of 1 = 'on', and 0 = 'off'
mp_c4timer 45:Sets the amount of time in between C4 placement and its explosion - ranges between 15 and 90 seconds
mp_flashlight 1:Toggles the use of flashlights by clients - Setting of 1 = 'on', and 0 = 'off'
mp_footsteps 1:Toggles footstep sounds - Setting of 1 = 'on', and 0 = 'off'
mp_forcechasecam 0:Toggles the chasecam to follow teammates only - useful for LAN games - Setting of 1 = 'on', and 0 = 'off'
mp_freezetime 6:Sets the amount of "freeze" time at the beginning of each round to buy weapons and equipment - Use a setting of '0' to disable
mp_friendlyfire 0:Toggles friendly fire - Setting of 1 = 'on', and 0 = 'off'
mp_hostagepenalty 2:Sets the number of hostages a player can kill before they are booted from the server - Setting this to '0' turns the function off
mp_limitteams 2:Sets the maximum number of players that one team can have more than the other team - Use a setting of '0' to completely disable the team limiting.
mp_logmessages 1:Toggles logging of chat messages in the log files - Setting of 1 = 'on', and 0 = 'off'
mp_roundtime 5:Sets the maximum amount of time for each round - ranges between 3 and 15 minutes
mp_tkpunish 1:Toggles the forcing of a player to sit out the next round if he has just killed a teammate - Setting of 1 = 'on', and 0 = 'off'
sv_restart:Sets the amount of time before resetting the game, including frags, weapons, money, and scores - Use setting of '0' to disable these restarts.
sv_gravity 800:Sets the gravity ammount in the game. Setting this to 0 will not turn off this feature, it'll turn the gravity into 0, making players fly sky high each time they jump.
Whew~ this is all i know and what i've seen.. hope this helps rizz!