I doubt that the help switch is the coolest Command Prompt trick you've ever heard of, but it's hard to disagree that it's one of the more useful.
Ekwenyesiri m ike na mgbaaka enyemaka bụ iwu kachasị mma nke iwu ị na-anụ banyere ya, mana ọ na-esiri ike ikwenye na ọ bụ otu n'ime uru ndị ọzọ.