Linux commands

What is the default shell for the user test according to the following listing: test2:x:1002:1003:Test 2:/home/test2:/bin/ksh test:x:1001:1002:Test:/home/test:/bin/csh test3:x:1003:1004 Test 3:/:/bin/false Answer: How can you add a user called test using the command useradd. The user must have home directory /home/test and user id 2000. Note! Use short options and assume there are no defaults defined Answer What command can you use to remove the user test