man command
TypemanandthenameofatoolorAPIwhosedocumentationyouwanttoaccess,andpressReturn.TwoTerminalwindows,thefirstshowingthecommandtoenter ...,HowtoUsethe'man'Command.InLinux,the'man'commandisusedtodisplaytheusermanualforanycommandthatcanberunonthetermina...。參考影片的文章的如下: