Shows command description and usage. When no command is specified, all possible <command>'s that can be specified are shown on screen. You can use the following combinations using the help command:
help
help create
help create user
2.
clear
Clears terminal screen.
3.
history
Show command history for the session. Syntax:
history. The
history command shows a list of commands you typed before with an associated number. To replay the command, you have to type !<number>
