UNIX for Dummies Questions & Answers

So,
I realize that this will be considered a very stupid question, but I am very new to Linux (specifically Ubuntu) and I would just like some user input rather than blindly searching through many volumes (although I plan on doing that later).
So I've been going through and running some simple shell scripts, just testing the new OS out, and I recently ran into a tiny problem.
I wrote a super basic script to show the date and time through the shell, saved it in the text editor, and went to change the mode of it to executable through the script ($chmod x+ scriptname). But when I try this, the terminal sends back text saying that the process could not be completed, because there was no such file or directory, although I know for a fact that there is such a file, seeing as I was looking directly at the icon for it when I attempted this.
So anyway, the answer is probably pretty obvious I suppose, I just cannot think of it for the life of me. I will be looking around for it, but if someone could help me out with an explanation a little quicker, I would really appreciate the gesture.

-K

You are probably in the wrong directory.

When you open a terminal, you will be positioned inside $HOME e.g /home/username
The script which you saved thru text editor is probably located on your desktop e.g /home/username/Desktop.

Be sure to check.

Hope that helps.
Regards
Peasant.

Welcome on board,
You have done more than many here...
Doing tons of reading gets you confused when saturated, and you forget the basics...
a script, to be run needs two things (if you except syntax etc errors... ):
-> set as executable
-> be in the PATH
The message you got says: "I cant find your script!!" but you have to understand - In the PATH.
Either you put your script somewhere in the PATH, else add dot "." and the end of your PATH variable e.g. in your .profile

I hope you have run chmod +x and not $chmod !!

Code:

chmod +x scriptname

Note "+x" not "x+".

Thanks for the concise words of advice all, got it figured out, really big help.