The easiest way to get help regarding a tool is use either the man or --help to solve the problems. It is hard to memorize all the tools so the use cases are:
workstation@htb[\htb]$ man <tool>workstation@htb[\htb]$ <tool> --helpworkstation@htb[\htb]$ <tool> -h
The results from --help and -h. Another tool that utilizes the help page and the manual pages are apropos. This tool searches the descriptions for instance of a given keyword.
workstation@htb[\htb]$ apropos <keyword>workstation@htb[\htb]$ apropos sudo- Another useful shell response is [https://explainshell.com]