4.3 Operating System - Where Data Is Stored

Question 1

Service configuration files are typically stored in which folder?

A) /etc
B) /sys
C) /proc
D) /srv

Answer 1

/etc

Question 2

Every running process on the system has __. (Pick 2)

A) A temporary file in /var/tmp/
B) A folder in /proc named for the PID
C) A temporary file in /tmp/
D) A PID

Answer 2

A folder in /proc named for the PID

A PID

Question 3

The top command displays which of the following? (Pick 4)

A) Runny processes
B) System load average
C) File space usage
D) Current CPU usage
E) File system disk space usage
F) Name of current/working directory
G) The PIDs of running processes
H) Directory contents

Answer 3

Running processes

System load average

Current CPU usage

The PIDs of running processes

Question 4

Which command could you use to view all running processes?

A) ps
B) proc
C) ps aux
D) uptime

Answer 4

ps aux

Question 5

Which command could you use to view only your processes?

A) ps aux
B) ps -u $(whoami)
C) ps u $(whoami)
D) ps -eF

Answer 5

ps -u $(whoami)