COMP 83
LINUX 1
Lab 4
The name of the machine should be YourName-XXX, where XXX is the last 3 digits of your student ID. Whenever possible make sure your screenshots are showing the name of the Linux machine on the command-line.
1. Create the following users with the following attributes. [5]
| Username | Comment | Expire Date |
| Calvin | Consultant | 2022-06-15 |
| Joyce | Engineer | – |
| Jillian | Programmer | 2021-12-31 |
| Patrick | – | – |
| Carter | – | – |
Use the appropriate command to display the last five users you have just created on the screen.
2. Display all contents (including hidden files) in Carter home directory. [5]
3. In what directory was the .bashrc file copied from? [5]
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4. Create a password for Jillian (use this password Pa$$word) and display the encrypted password on the screen using the appropriate command and Linux file. [5]
5. Add a comment for Patrick to show Developer and configure his user account expiry date to 2022-01-01. Display the change of Patrick user account attributes on the screen. [5]
6. Modify Joyce login name to JAdam. [5]
7. Delete Carter user account and display the content of the appropriate file to verify that the account no longer exists. [5]
8. Lock Jillian user account and display the last five lines of the /etc/shadow file on the screen. [5]
9. What symbol in the /etc/shadow file indicates that Jillian account is locked? [5]
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Mark:__________
~End of Lab~
