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I need it to be --LL-

Thanks.. Hopefully you can help

Alright, I am stuck here.

I have this variable that stores the word = HELLO and I have converted it it to -----
I have asked user to input one character at a time. SAy, if they enter E....

Hi there,

When I try to do a condition on test:
$ str1=abcd
$ test $str1
$ echo $?
0
Is there anyway to display the answer to be 'TRUE' or 'YES'? rather than 0?
If so, how can I do it...

How does finger | tail +2 work?
It gives me an error.
I don't want to use awk, I want to try and use finger and supress the heading.

Is there any possible way to get rid of the header when I do finger ?

I want to get rid of
Login Name Tty Idle Login Time Office Office Phone
as the header.
...

Hi there, this is a very simple question.

When I do grep -c "PWD" filename, I get 5. This means the filename contains 5 lines of "PWD" occurence.

I tried to assign to a variable. int= grep -c...

One question to test the permission

I know test commands give us:
test -w filename - to test if file exists and writeable
test -x filename - to test if file exists and executable
test -r...

What command should I use to add a line after a text?
I don't want to do it in vi.
echo ra > na
echo ras >> na
when I type cat na, it displays
ra
ras

How can I display it:
ra

ras...

THANKS so much!! You really helped me with SIMPLE and easy code!!

yes.

ps -au `head -1 abc` where head -1 abc gives me an argument (username) and then I could use it to get the process running for the current username.

Do you know the way to fix it?

So this cannot be solved without awk and sed? I do not want to use these two commands because I want to use the long way to do it. Do you have another solution without using awk?

This is quite a simple question I have a file with my username in it.
So if I type cat filename, I get felix.whoals
TO show the current process that I am doing, I need to type ps -au felix.whoals ...

Well because when I do head -1 abc it gives me a username. therefore when I do ps -au head -1 abc, I should get an answer shouldn't I?

May I know how can I solve this problem?

Hi there,

I have a question, when I do ps -au xxx, I get an answer for user xxx.. I have a filename call abc and when I do head -1 abc i get an output of xxx too. Why can't I do ps -au head -1 abc?

When I typed in ps -a I get this:

PID TTY TIME CMD
31799 pts/3 00:00:00 vim
31866 pts/3 00:00:00 vim

And to check who is currently logged in, I type who
Felix Whoals
Tada Whoals
Lala...

Hi there,

One question on displaying the output for permissions.
Ok, when I put ls -l filename
I get something like this:
-rw-r--r-- 1 read.read users 359 Dec 16 13:19 filename

How do I...

thanks for that. I am stuck with this too:
I have done this command env >> filename for 3 times.
I am writing a script to append the PWD, USER, MAIL, LOGNAME, HOME into something like this:
1)...

Hi there,

I was trying to add a line of text in the middle line of a file.

I have counted the lines in the file, and then I divide it into 2, after that I am stuck on how am I suppose to...