Most techies and developer prefer using the terminal on Linux. If you are like me a heavy command line interface (cli) user than you will find these simple tips useful.

How to speed up opening Linux terminal
Install roxterm. On Red Hat, Fedora, Cent OS or other yum based systems, it is as simple as:
yum -y install roxterm

How to run Linux commands directly from desktop

  1. Right click on Panel and select Add to Panel.
  2. Select Command Line and click on Add.

Now you will have a mini command line on your desktop panel from which you can directly run commands. It also remembers your old commands and auto-fills them.

BTW: My favorite command is:
pkill firefox
I use this whenever Firefox becomes slow or hangs.