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A terminal emulator emulates a terminal in a graphical environment. It provides a command line interface from which you can give shell commands, which you cannot do otherwise from a GUI (other than by using Run Command from the Main menu).
To start the System Monitor from the terminal or run window, you can type "gnome-system-monitor" (without quotation marks, of course).
A command is an instruction from a user to get the computer to do something! A simple example: open a terminal and type the command "man man" (without the quotes) and the result will be the manual page of the man command.Note: The command ls stands for list the files in the current directory.
It is a command that is typed into a terminal. Use "man whatis" (without the quotes) to gain full details on the whatis' manual page.
Without specifying what they won, it is impossible to answer.
Well without specifying the parameters its impossible to say; the definition of optimum pH would be, the pH at which point the optimum results of a reaction are achieved.
To do it from a command line: Open a Terminal window and use the unix "rm" command. To do it with a GUI: Download and install the muCommander program (very similar to Windows Explorer, but for the Mac).
Without specifying an "it", the question cannot be answered.
It is not possible to answer this question without specifying a particular name.
Use "man time" in a Linux terminal (without the quotes) to view the manual page for time. There are commands to show elapsed time a program runs, when a program is to start, etc. For a simple example, this 'Egg Timer' command: echo -e '\a' >&2; sleep 180; echo -e '\a' >72 will show a blank terminal for 180 seconds. Or 3 minutes, (which is enough to cook a soft-boiled egg!).
Not without your specifying what it is!
Without specifying a particular religion or region, it is impossible to say.