#!/bin/bash

 

# Lab 9

# 

# 

# CST8102 

# myscript

# 

# Desc.

# CS

selection=

while [ "$selection" != q ] && [ "$selection" != "Q" ] ; do #how to || "q"?

echo "A) Create a user account"

echo "B) Delete a user account"

echo "C) Change supplementary group for a user account"

echo "D) Change initial group for a user account"

echo "E) Change the default login shell for a user account"

echo "F) Change the account expiration date"

echo "Q) Quit"

echo ""

echo -n "Enter selection: "

read selection

echo ""

 

if [ "$selection" = "A" ] || [ "$selection" = "a" ] ; then

echo "Enter the user name"

read username

echo "Enter the home directory"

read home

echo "Enter the login shell"

read shell

sudo useradd -d "$home" -m -s "$shell" "$username"

echo ""

fi

 

if [ "$selection" = "B" ] || [ "$selection" = "b" ] ; then

echo "Enter the user to delete"

read username

sudo userdel -r "$username"

echo ""

fi

 

if [ "$selection" = "C" ] || [ "$selection" = "c" ] ; then

echo "Enter the user to modify"

read username

echo "Enter the group's name"

read group

sudo groupadd $group

sudo usermod -G "$group" "$username"

echo ""

fi

 

if [ "$selection" = "D" ] || [ "$selection" = "d" ] ; then

echo "Enter the user to modify"

read username

echo "Enter the group's name"

read group

sudo groupadd $group

sudo usermod -g "$group" "$username"

echo ""

fi

 

if [ "$selection" = "E" ] || [ "$selection" = "e" ] ; then

echo "Enter the user to modify"

read username

echo "Enter the new shell"

read shell

sudo usermod -s "$shell" "$username"

echo ""

fi

 

if [ "$selection" = "F" ] || [ "$selection" = "f" ] ; then

echo "Enter the user to modify"

read username

echo "Enter the new expiration date"

read exp

sudo usermod -e "$exp" "$username"

echo ""

fi

 

sleep 3

done