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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...

man sudoers

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)

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

The command 'stty -echo'.

Thanks and regards,
Mariano R.

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...

echo path/to/[0-9]

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 $ID | egrep "^[0-9][0-9][0-9]$" ...

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...

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

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

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" !=...