If you are new to LINUX operating system and having trouble dealing with the command-line utilities provided by LINUX then you really need to know first of all about the help command which as its name says help you to learn about any built-in command.
help command as told before just displays information about shell built-in commands. Here’s the syntax for it:
// syntax for help command
$help [-dms] [pattern ...]
help Command:https://www.geeksforgeeks.org/help-command-in-linux-with-examples/