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ok First i did this:

#ksh

then i did this:

echo $SHELL

The output i get is this:

/bin/bash

why not the output is /bin/ksh then?

---------- Post updated at 04:05 AM ----------...

So you want to say that #csh will change the current shell to c shell,correct?

What is the system command to check in which shell i am working at present?

Hi all,I installed cent OS in my machine. Now when i open the terminal and start writing some commands, then by default with which shell i am working with?

Will i be able to change the shell and...

find / -name Gautam.*

in the above command what is the need of / as if i do

find -name Gautam.*

then also it works

Please explain

Hi all,
I have a file named "Gautam" saved in my machine in some particular location.I want to find the exact location of the file in the file system by writting a command but i dont have any idea...

Hi, I want to search how many times is "a" present in a file named "data". How to do this? Please help

Thanks for the help :)

Hi all,
I want to replace the first two occurances of "Gautam" with "Gomzy" using the sed command. if i do this:

sed 's/gautam/gomzy/g' <filename>

Then it replaces all the occurances of...

Hi all, I used array a lot in C,VB,C# and java but now i am very new to shell programming,so i need a start of array in shell programming. All i want to do is read a string and put it into a...

oops..............i forget that $ i used to read the contents of a variable............

sorry my mistake

thank you for the help

have a nice day :)

Hi all,
I am very new to shell programming and trying to learn out the basics.
I tried this:

$ echo `expr 20 + 30`

and it worked. But when i tried this,it does not work.

$ a=20
$ b=30...