Practical no-9: Examine the content of the /etc/passwd file.

Practical no-9: Examine the content of the /etc/passwd file.

# vi/etc/passwd

mac1

/bin/sh

mac2  /bin/csh

mac3  /bin/bash

There you can see the full pathnames of the shell for the new users

created

4. # vi/etc/shadow

mac1:!!::

mac2:!!::

mac3:!!::

user2:!!::

This is because you we have not set password for the users mac1,mac2

and mac3

Practical no-10

#!/bin/bash

echo "1. all user list"

echo "2.current user"

echo "3.count logged users"

printf "Enter choice:"read choice

if [$choice==1];

then

Who -h

Fi

if [$choice==2];

then

who am i

fi

if [$choice==3];

then

echo "Total users loged in:"

fi

1. all user list

2. current user

3. count logged user

Enter choice:2

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