CSC1030 Systems and Data Management Flashcards

Flashcards for CSC1030 Systems and Data Management Fundamentals Module 1 (Systems).

neofetch

A tool to see information about a Linux distribution.

CLI

Command Line Interface; allows interaction with a computer using commands.

Shell

A program that allows you to type commands for the shell to run.

man command

A tool in Linux providing detailed documentation for shell commands.

pwd

Displays the current working directory.

cd

Changes the current directory.

ls

Lists files in a directory.

apt

Package manager used in Debian-based Linux distributions.

sudo apt update

Updates the package lists for upgrades and new package installations.

sudo apt upgrade

Upgrades installed packages to their newest versions.

which

Checks if a package is installed.

sudo apt install

Installs a new program.

ps

Displays currently running processes.

top

Displays a dynamic real-time view of running processes.

Services ('daemons')

Processes that run in the background and start when the system is booted.

Environment Variables

Variables in the shell that store values.

echo $VARIABLE_NAME

Displays the current value of a variable.

PS1

A variable used to determine what the prompt looks like.

wget

Downloads files from the internet using the command line.

more, less, cat, head, tail

Utilities to view the content of a file.

vi, nano

Command-line text editors.

Hypervisor

A software that allows multiple operating systems to run side-by-side on a computer.

headless VM

A virtual machine without a Desktop Environment.

Host

The hypervisor running on the host machine.

Guest

The virtual machine running inside the hypervisor.

Nested Virtualization

Running a VM inside VM.

ISO file

An image file containing an entire operating system.

WSL

Windows Subsystem for Linux; allows running a Linux environment on Windows.

Kali Linux

A Linux distribution focused on ethical hacking.