Assuming you always have convenient access to the internet. And that you version of the tool you are working with matches whatever result you find online. And

Assuming you always have convenient access to the internet. And that you version of the tool you are working with matches whatever result you find online. And even then, often the best results you get from google come from the man or info page anyway. My first search when googling documentation for a tool is often "man <toolname<"