Linux and SQL Flashcards
Hardware
The Physical components of a computer
Application
a program that operates a specific task
Basic Input/Output System (BIOS)
is a microchip that contains loading instructions for the computer and is prevalent in older systems.
When you boot, or turn on, your computer, either a ____ & ______ microchip is activated.
BIOS or UEFI
Unified Extensible Firmware Interface (UEFI)
is a microchip that contains loading instructions for the computer and replaces BIOS on more modern systems.
The last instruction from the BIOS or UEFI activates the _____
bootloader
Bootloader
is a software program that boots the operating system.
Virtual machine (VM)
is a virtual version of a physical computer.
Virtualization is the process of using software to create virtual representations of various physical machines.
Random Access Memory (RAM)
is a hardware component used for short-term memory. If a computer has 16GB of RAM, it can host three virtual machines so that the physical computer and virtual machines each have 4GB of RAM.
User Interface
A program that allows the user to control the functions of the operating system
Graphical User Interface aka GUI
A user interface that uses icons on the screen to manage different task on the computer
Basic GUI components
- Start menu
- Tool bar
- Desktop with icons and shortcuts
Command- line interface (CLI)
A text based user interface that uses commands to interact with the computer
The components of Linux
- User
- Application
- Shell
- File system hierarchy standard
- Kernel
- Hardware
User
The person interacting with the computer.
Application also known as Programs
A program that performs a specific task.
Shell
The command line interpreter
File system hierarchy standard
FHS
The component of Linux OS that organizes data
Kernel
The component of Linux OS that manages processes and memory
Hardware
The physical component of a computer
What are distributions ?
Different versions of Linux
What are other names for distribution ?
Distro’s or flavors of Linux
Digital Forensics
The practice of collecting and analyzing data to determine what has happened after an attack
package
a piece of software that can be combined with other packages to form an application.
package manager
is a tool that helps users install, manage, and remove packages or applications. Linux uses multiple package managers.
