010-160 Linux System Architecture & Installation 4

Question 1

Which directory is the recommended location for mounting temporary or removable media in modern Linux systems?

Accepted Answer

/media

Answer

/media is the FHS-defined location for automatically mounted removable media like USB drives and optical discs.

Question 2

What is the first process started by the Linux kernel after it finishes initializing, and what PID does it receive?

Accepted Answer

init (or systemd), PID 1

Answer

The kernel starts the init system (traditionally /sbin/init, now often systemd) as PID 1, the parent of all user-space processes.

Question 3

Which command shows currently loaded kernel modules?

Accepted Answer

lsmod

Answer

lsmod reads /proc/modules and displays a formatted list of all currently loaded kernel modules.

Question 4

On a system using GRUB2, where is the main configuration file typically located?

Accepted Answer

/boot/grub/grub.cfg

Answer

/boot/grub/grub.cfg is the generated GRUB2 configuration file read at boot (auto-generated from /etc/default/grub).

Question 5

Which /proc file shows the amount of total and free RAM in the system?

Accepted Answer

/proc/meminfo

Answer

/proc/meminfo provides detailed memory statistics including MemTotal, MemFree, and cache/buffer sizes.

(010-160) LPI Linux Essentials Practice Test