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In what way did it not work?

That would've been my next suggestion. There's a lot of things with finicky permissions inside /etc/, be sure you copied them in a manner that preserved them exactly. ...

Out of curiosity I downloaded the e3 tarball. The x86_64 binaries e3 and e3-yasm both work OOTB for me on Fedora 16 and should work for you. You can install these binaries anywhere you like. I...

Try this:
Allow A Normal User To Run Commands As root Under Linux / UNIX Operating Systems (http://www.cyberciti.biz/tips/allow-a-normal-user-to-run-commands-as-root.html)

man sudoers

My understanding of the assignment was that the ID was passed as $1...


When this script is run, one parameter/argument is passed to the script.


The step4 solution you desire is nothing more...

Google makes miracles )

Here one of the solution for #1

read -p "Write your student ID: " ID #write your variable $ID, you can use yours
if ! echo $ID | egrep "^[0-9][0-9][0-9]$" ...

echo path/to/[0-9]

num="109"
for ((i=0;i<3;i++)); do
echo ${num:$i:1};
done

Assignment said use cut ? hmm.. see agama's post.

Because this is an assignment I don't think anybody here will hand you the solution. I'm sure if you were to post what you've tried, or even pseudo code, people would offer suggestions as to what...

Try these commands at the command line and see if they don't help you along a bit:


stuff="abcdefghi"
echo $stuff | cut -c 2
letter=$(echo $stuff| cut -c 3)
echo "3rd letter is: $letter"

These are my observations about your attempt:

In step 1, unless my versions of Kshell and Bash are way out dated, I do not believe this test will work:


elif [[ "$studentid" !=...

People, after submitting this post a link to an old post gave me the answer :

The command 'stty -echo'.

Thanks and regards,
Mariano R.