Run ( "program" [, "workingdir" [, show_flag [, opt_flag]]] )

hi i have started learning Autoit  for just  3 days 

i am trying to use the "run" function

can anyone explain what is "workindir"

and how can i open a program like for example "notepad" using "@SW_MINIMIZE" or "@SW_HIDE"

 thanx for all of you