Fujitsu Linux Administrator Interview Questions and Answers

ACL stands for Access Control List, a set of permissions attached to an object that specifies which users or system processes are granted access to that object.

• ACLs are used to control access to files, directories, and other resources on a system.

• They define who can read, write, or execute a file or directory.

• ACLs can be set on a per-user or per-group basis, allowing for more granular control over access permissions.

• Ex...read more

LVM (Logical Volume Manager) is a tool used in Linux to manage storage by creating logical volumes from physical volumes.

• LVM allows for dynamic resizing of logical volumes without downtime.

• It provides features like snapshots, striping, mirroring, and thin provisioning.

• Physical volumes are divided into extents, which can be allocated to logical volumes.

• Commands like pvcreate, vgcreate, lvcreate are used to create physic...read more

The booting procedure is the process of starting up a computer system and loading the operating system into memory.

• The BIOS (Basic Input/Output System) performs a Power-On Self Test (POST) to check hardware components.

• The BIOS then looks for the bootloader, which is typically stored in the Master Boot Record (MBR) of the hard drive.

• The bootloader loads the operating system kernel into memory and hands over control to i...read more