STALKER command lines

Hi, i was wondering if anyone could explain what these command switch keys mean? ive searched around and could not find any information on what they do in game. A brief explanation would be fine so i can get an idea on what they do, thanks.


-_g
-batch_benchmark
-bug
-build
-debug_ge
-depth16
-designer
-demomode [ ]
-disasm
-ebuild
-fsltx
-gloss
-i
-keep_lua
-launcher
-mem_debug
-mt_cdb
-nes_texture_storing
-netsim
-no_call_stack_assert
-no_direct_connect
-no_occq
-nodf24
-nojit
-nonvs
-pure_alloc
-pack [ ]
-silent_error_mode
-sjitter
-skinw
-start [ ]
-sunfilter
-svcfg
-tsh
-tdemo
-tdemof
-techdemo
-tune
-x86
-xclsx

there are references out there in the git repositories, too much to put here and several will not work in my engine