Other users

FLOPPIX

Who's on Floppix

Notes:

who: The who command shows everyone who is currently logged in.

finger: The finger command displays data about users on the system. To view information about a specific user, enter the command: finger <username>

last: On a Linux system, a record of every login session is saved. To view this information, use the last command.

lastb: The lastb command shows all of the invalid login attempts.

ps: The ps command shows the processes that are running.

Exercises:

Finger alterego and answer the following questions.
1. is alterego logged in? _________________________
2. when was the last time alterego logged in? _________________________
3. does alterego have mail waiting? _________________________
4. when was the last time alterego read mail? _________________________
5. does alterego have a plan? _________________________
What data does finger return about your own account? _______________________
Use finger to determine if there is a user called superego? _____
Create some data for the last command to display.
- Login and logout a few times as yourself, alterego and floopy.
- Make a few mistakes logging in.
Enter the command: last
How many logins were recorded? _____
Enter the command: lastb
How many login attempts were recorded? _____
Setup the system so alterego and floopy are doing something.
- Logon as alterego on virtual console 2 and startup vi .
- Logon as floopy on virtual console 3.
On virtual console 1, enter the command: ps aux
What are alterego and floopy doing? _________________________
Is lpd (the line printer daemon) running? _____

Questions & Answers:

What command will show you who is currently logged in?

Answer: who
What command will show you all of the failed login attempts?

Answer: lastb
What command will show you all of the processes currently running?

Answer: ps aux
What command will show you the last time alterego read mail?

Answer: finger alterego