OSA A6

A6: Displaying operating system name, version, login name and hostname.

->Program:

#This program uses the system commands to display the required information.

while true

do

echo "1.Display Operating System name :";

echo "2.Display Operating System Version:";

echo "3.Display Login name :";

echo "4.Display Hostname  :";

echo "5.Exit";

echo "Enter your choice : ";

read ch;

case $ch in

1)

echo " Operating System Name : ";

uname  #displays operating system name

;; # to break first switch case

2)

echo "Operating System Version : ";

cat /proc/version #cat command reads the file /proc/version and displays the

;;

3)

echo "Login Name : ";

who #displays the names of all logged in users

;;

4)

echo "Host Name :"

hostname #displays the hostname

;;

5)

echo "exit from program "

exit;

;;

esac  # end of switch case

done

OUTPUT:-

content of the file

[joker415@localhost Some-BashScripts-For-practice]$ ls

A-1.sh  A-2.sh  A-3.sh  A-4.sh  A-5.sh  A-6.sh

[joker415@localhost Some-BashScripts-For-practice]$ chmod 777 A-6.sh

[joker415@localhost Some-BashScripts-For-practice]$ ./A-6.sh

1.Display Operating System name :

2.Display Operating System Version:

3.Display Login name :

4.Display Hostname  :

5.Exit

Enter your choice :

1

 Operating System Name :

Linux

1.Display Operating System name :

2.Display Operating System Version:

3.Display Login name :

4.Display Hostname  :

5.Exit

Enter your choice :

2

Operating System Version :

Linux version 3.11.10-301.fc20.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20131017 (Red

Hat 4.8.2-1) (GCC) ) #1 SMP Thu Dec 5 14:01:17 UTC 2013

1.Display Operating System name :

2.Display Operating System Version:

3.Display Login name :

4.Display Hostname  :

5.Exit

Enter your choice :

3

Login Name :

joker415 :0           2015-09-05 09:08 (:0)

joker415 pts/0        2015-09-05 09:11 (:0)

1.Display Operating System name :

2.Display Operating System Version:

3.Display Login name :

4.Display Hostname  :

5.Exit

Enter your choice :

4

Host Name :

localhost.localdomain

1.Display Operating System name :

2.Display Operating System Version:

3.Display Login name :

4.Display Hostname  :

5.Exit

Enter your choice :

5

exit from program