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Need to handle errors for values of the two variables 'player' and 'pc' for out of range values.

For eg. What if player == 0 and also pc == 0 .

Please dry run the below few lines from your own...

Each argument to the executable should be a different argument to execl. Give the execl man page a closer read.

Regards,
Alister

It's possible to do it either way. Line-by-line is probably easier.

Your using scanf incorrectly every time you use it. You can't store a string in a char, since a string is a char array, and...

I tried with following modification and able to read user input and print them:-

#!/bin/sh
clear
echo "\t `date "+%d/%m/%Y"`"
echo "\t Hostname Machine: `hostname`"
echo "\t user: `whoami` "...

Here's an example using the dialog utility to create a ncurses-based menu:

Menu Driven Shell Script Using Dialog Utility (http://www.bashguru.com/2011/01/menu-driven-shell-script-using-dialog.html)

man find

see -exec option