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Menu driven program which has the options Contents of etc/passwd, List of the users who have logged in, Present working directory

Posted By: Isabella Campbell     Category: Unix / Linux / Ubuntu     Views: 6335

Write a menu driven program which has the following options :
1.Contents of etc/passwd
2.List of the users who have logged in
3.Present working directory
4.Exit
The menu should be placed approximately in the center of the screen.

Code for Menu driven program which has the options Contents of etc/passwd, List of the users who have logged in, Present working directory in Unix / Linux / Ubuntu

choice=0

while [ $choice -lt 4 ]
do
tput clear
echo "1. contents of etc/passwd"
echo "2. list of the users who have logged in"
echo "3. Present working directory"
echo "4. Exit"
echo "Enter your choice "
read choice

if [ $choice -eq 1 ]
then
        cat /etc/passwd | more
        read a
elif [ $choice -eq 2 ]
then
        who | more
        read a
elif [ $choice -eq 3 ]
then
        pwd
        read a
fi
done


-------------------------------------------------------------------
output
-------------------------------------------------------------------

1. contents of etc/passwd
2. list of the users who have logged in
3. Present working directory
4. Exit
Enter your choice
1
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
rpm:x:37:37::/var/lib/rpm:/bin/bash
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
nscd:x:28:28:NSCD Daemon:/:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
rpc:x:32:32:Portmapper RPC user:/:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin


1. contents of etc/passwd
2. list of the users who have logged in
3. Present working directory
4. Exit
Enter your choice
2
mca258   pts/0        Nov 19 12:28 (128.66.203.10)


1. contents of etc/passwd
2. list of the users who have logged in
3. Present working directory
4. Exit
Enter your choice
3
/home/symca/mca258
----------------------------------------------------------------------
  
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Isabella Campbell
Isabella Campbell author of Menu driven program which has the options Contents of etc/passwd, List of the users who have logged in, Present working directory is from Toronto, Canada.
 
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