The history command displays all commands that have been entered into the terminal.
clear clears the screen.
If you mean on the command line, then the command is: clear Of course, if your encoding's been messed up, you can also clear up this little problem with the command: reset
In a windows command prompt the command is "cls" (no quotes) and in Linux and Mac OS X terminal the command in "clear" (again no quotes) though you will notice that in the Terminal program (under X windows or Mac OS X) the clear command doesn't do anything except make space and scroll down so you can't see what has been done recently but that history is still available by scrolling up...
k is not a standard command in Linux.
There is no such command. Obviously, in order to enter a command into the prompt, Linux must already be on.
I figure you are talking about firefox internet browser? To clear history,open firefox, go to tools>Clear Recent History, and select how long (everything reccommended). click clear, and your all set
In a Linux terminal, the command to create a new directory is: mkdir .
In Linux the chmod command is used to set file permissions.
Nothing. Helo is not a recognized command in linux.
Linux does not have a limit as to the number of characters you can enter in a command.
You get a command not found. Linux is case sensitive. So, for example: The command "systemctl" will not be the same as "SystemCTL" to a shell in Linux. One will work, the other will return an error saying there's no such command.