yes. Xterm, gnome-terminal are common ways of accessing it.
To stop heartbeat in Linux the command line will be service Heartbeat stop To start heartbeat in Linux the command line will be service Heartbeat start
ifconfig
the command "display" brings up the ImageMagick program.
Yes
Linux allows full access to the source code. Windows does not. The command line has always proven useful when altering software. Windows differs from Linux in command line limitations as well. Linux provides a centralized location in which software and application can be controlled.
Yes. Just about everything to do with Linux on the command line is case sensitive, including commands and file names.
Just type "top" into the command line. It requires no arguments. To exit, press 'q'.
k is not a standard command in Linux.
In linux command line : tar -zxvf /path_to_your_file/filename.tar.gz
That would be a semi-contradiction; the command line would need to be already running in order to enter a command. The name of the program that actually provides the command line is called a shell. There are many different shells available for Linux, including Bash, ash, C Shell, fish, ksh, zsh, and scsh.The default command shell is /bin/sh (not /bin/bash, note).
Innumerable. Remember that any program on Linux can be launched from the command line, so there are as many commands as there are programs.
By invoking a terminal emulator or switching to one of the virtual terminals.