1. Which of the following commands is used to update the list of available packages using dpkg package management is based on?

A) apt-get refresh
B) apt-get update
C) apt-cache update
D) apt-cache update
E) apt-get upgrade


2. In Bash, adding 1> & 2, when the command redirects

A) The standard error to standard input.
B) The standard error to standard output.
C) The standard error of the standard output.
D) The default input standard error
E) standard output to standard input.


3. What is the maximum value of niceness that an ordinary user can configure the process with a comfortable command when performing a new process?

A) 99
B) None
C) 9
D) 19
E) 49


4. Which of the following commands to kill the PID process 123 but allows the process to 'clean up' before exiting?

A) kill-Stop 123
B) -PIPE kill 123
C) -kill kill 123
D) -term kill 123
E) None


5. During the system startup, this program is executed after the BIOS has completed the task?

A) kernel
B) init program
C) Inetd program
D) None
E) bootloader