Edit your configuration file with Notepad. This file is in your installation folder, which follows the structure: \Splinter Cell Pandora Tomorrow\offline\system\SplinterCell2User.ini
Bind the following codes to a key to have that effect:
fly - Fly Mode
playersonly - Freeze Enemies
health - Give Health
killpawns - Kill All Enemies
ghost - No Clipping
walk - Walk Mode
summon echeloningredient.edisposablepick
summon echeloningredient.eflashbang
summon echeloningredient.esmokegrenade
summon echeloningredient.ewallmine