1. cd Desktop/ - CD stands for Change Directory, in the example we use cd to change our directory to the Desktop.
2. mkdir CS2D - MKDIR stands for Make Directory, in the example provided, we used mkdir to make a new directory called 'CS2D'.
3. rm file.sh- RM stands for Remove, it removes a specific file proven, in the example provided, we used rm to remove the file called file.sh , however this command doesn't work on folders like this.
4. rm -rf MyFolder - Same as above, but the '-rf' removes a folder, in the example provided, we used 'rm -rf' to remove the directory called MyFolder.
5. su Sisla - Is often used to get root access, replace Sisla with your username then press enter, you will then need to input your password correctly in order to get root access.
6. sudo install.sh - Is used to get root access for the specific command, this is not same as su, after you type in 'sudo' , you must put the command you want to give root access to/run with root access. In the example above, we ran the shell file 'Install' with root access.
7. apt-get update - Updates the list of available packages (needs root access, so run it with root access!).
8. apt-get upgrade - Upgrades your installed packages to a newer version if available (Also requires root access).
9. apt-get install ..package name.. - Installs a specified package (Needs root access as well).
10. tar xvf archive_name.tar - Extract files from a tar archive, replace archive_name with your tar archive name (Root access may be required.)
11. gnome-terminal -x ./shell_file.sh - Opens a new terminal and runs the shell file called shell_file.sh, you can replace './shell_file.sh' with any linux command you wish to run in the new terminal.
12. ls - LS stands for List, yes, it gives you a list of ALL the files/folders in the directory you are currently in.
13. wget   http://www.ubuntu.com/download/desktop/thank-you/?version=14.04.1&architecture=amd64 - Downloads a specific file off the Internet, in this example we used the wget command to download Ubuntu iso for 64bit AMD processors. Replace the ubuntu download link with the link of the file that you want to download.

Changelog

Wget Command