common linux commands

Question 1

What does the ‘clear’ command do?

Answer 1

Clears the terminal screen

Question 2

What does the ‘reset’ command do?

Answer 2

Resets your terminal to use default terminal settings

Question 3

What information does the ‘who’ command display?

Answer 3

Displays currently logged-in users

Question 4

What does the ‘w’ command show?

Answer 4

Displays currently logged-in users and their tasks

Question 5

What does the ‘whoami’ command display?

Answer 5

Displays your login name

Question 6

What information does the ‘id’ command provide?

Answer 6

Displays the numbers associated with your user account name and group names; these are commonly referred to as User IDs (UIDs) and Group IDs (GIDs)

Question 7

What does the ‘date’ command display?

Answer 7

Displays the current date and time

Question 8

What does the ‘cal’ command show?

Answer 8

Displays the calendar for the current month

Question 9

What information does the ‘uname -a’ command provide?

Answer 9

Displays system information

Question 10

What does the ‘ls’ command do?

Answer 10

Lists files

Question 11

What does the ‘exit’ command do?

Answer 11

Exits out of your current shell

Question 12

what does the su command with the - option do?

Answer 12

use the root users environment

Question 13

what does su c do>

Answer 13

runs a single command as a user