Один товарисч включил в строке ярлыка HL "-dev"

Что дает эта фигня?
И он подключает следующий конфиг :
Скажите он может читерить???
Вот код конфига :
unbindall
bind "TAB" "+showscores"
bind "ENTER" "+attack"
bind "ESCAPE" "cancelselect"
bind "SPACE" "+jump"
bind "'" "+moveup"
bind "+" "sizeup"
bind "," "buyammo1"
bind "-" "sizedown"
bind "." "buyammo2"
bind "/" "+movedown"
bind "0" "slot10"
bind "1" "slot1"
bind "2" "slot2"
bind "3" "slot3"
bind "4" "slot4"
bind "5" "slot5"
bind "6" "slot6"
bind "7" "slot7"
bind "8" "slot8"
bind "9" "slot9"
bind ";" "+mlook"
bind "=" "sizeup"
bind "[" "invprev"
bind "]" "invnext"
bind "`" "toggleconsole"
bind "a" "+moveleft"
bind "b" "buy"
bind "c" "radio3"
bind "d" "+moveright"
bind "e" "+use"
bind "f" "impulse 100"
bind "g" "drop"
bind "h" "+commandmenu"
bind "i" "showbriefing"
bind "j" "cheer"
bind "l" "showbriefing"
bind "m" "chooseteam"
bind "n" "nightvision"
bind "o" "buyequip"
bind "q" "lastinv"
bind "r" "+reload"
bind "s" "+back"
bind "t" "impulse 201"
bind "u" "messagemode2"
bind "v" "buyequip"
bind "w" "+forward"
bind "x" "radio2"
bind "y" "messagemode"
bind "z" "radio1"
bind "~" "toggleconsole"
bind "UPARROW" "+forward"
bind "DOWNARROW" "+back"
bind "LEFTARROW" "+left"
bind "RIGHTARROW" "+right"
bind "ALT" "+strafe"
bind "CTRL" "+duck"
bind "SHIFT" "+speed"
bind "F1" "autobuy"
bind "F2" "rebuy"
bind "F5" "snapshot"
bind "F6" "save quick"
bind "F7" "load quick"
bind "F10" "quit prompt"
bind "INS" "+klook"
bind "PGDN" "+lookdown"
bind "PGUP" "+lookup"
bind "END" "centerview"
bind "MWHEELDOWN" "buyammo1"
bind "MWHEELUP" "buyammo2"
bind "MOUSE1" "+attack"
bind "MOUSE2" "+attack2"
bind "MOUSE3" "+voicerecord"
bind "MOUSE4" "+voicerecord"
bind "PAUSE" "pause"
_cl_autowepswitch "1"
_snd_mixahead "0.1"
ati_npatch "1.0"
ati_subdiv "2.0"
bgmvolume "1.000000"
bottomcolor "6"
brightness "5"
cd_fps "0"
cd_sound "0"
cl_allowdownload "1"
cl_allowupload "1"
cl_backspeed "400"
cl_cmdbackup "101"
cl_cmdrate "101"
cl_corpsestay "0.000000"
cl_crosshair_color "250 250 50"
cl_crosshair_size "small"
cl_crosshair_translucent "1"
cl_dlmax "128"
cl_download_ingame "1"
cl_dynamiccrosshair "0"
cl_forwardspeed "400"
cl_himodels "0"
cl_idealpitchscale "0.8"
cl_lc "1"
cl_logocolor "#Valve_Green"
cl_logofile "v_1"
cl_lw "1"
cl_minmodels "1"
cl_radartype "1"
cl_righthand "0"
cl_shadows "1"
cl_timeout "60"
cl_updaterate "101"
cl_vsmoothing "0.05"
cl_weather "0"
cl_showfps "1"
con_color "255 155 50"
console "1"
crosshair "1.000000"
fastsprites "2"
fps_max "100"
fps_modem "100"
gamma "3"
gl_dither "1"
gl_flipmatrix "0"
gl_fog "1"
gl_monolights "0"
gl_overbright "0.000000"
gl_polyoffset "4"
gl_spriteblend "0"
hisound "1"
hpk_maxsize "0"
hud_capturemouse "1"
hud_centerid "1"
hud_draw "1"
hud_fastswitch "1"
hud_saytext_internal "1"
hud_takesshots "0"
joystick "0"
lookspring "0.000000"
lookstrafe "0.000000"
m_filter "1"
m_forward "1"
m_pitch "0.022"
m_side "0.8"
m_yaw "0.022"
model "gordon"
MP3FadeTime "2.0"
MP3Volume "0"
mp_decals "0.000000"
max_shells "0"
max_smokepuffs "0"
name "LLIuMnaH3e"
net_graph "0"
net_graphpos "1"
net_scale "5"
r_bmodelhighfrac "5.0"
s_a3d "0.0"
s_automax_distance "30.0"
s_automin_distance "2.0"
s_bloat "2.0"
s_distance "60"
s_doppler "0.0"
s_eax "0.0"
s_leafnum "0"
s_max_distance "1000.0"
s_min_distance "8.0"
s_numpolys "200"
s_polykeep "1000000000"
s_polysize "10000000"
s_refdelay "4"
s_refgain "0.4"
s_rolloff "1.0"
s_verbwet "0.25"
sensitivity "1.2"
skin ""
spec_autodirector_internal "1"
spec_drawcone_internal "1"
spec_drawnames_internal "1"
spec_drawstatus_internal "1"
spec_mode_internal "2"
spec_pip "0"
suitvolume "1.610000"
sv_aim "0"
sv_voiceenable "1"
team ""
topcolor "30"
viewsize "110"
voice_enable "1"
voice_forcemicrecord "0.000000"
voice_modenable "1"
voice_scale "1"
volume "0.7"
setinfo "dm" "1"
setinfo "lefthand" "1"
setinfo "ah" "1"
setinfo "vgui_menus" "1"
setinfo "_vgui_menus" "0"
setinfo "_ah" "0"
+mlook
+jlook