Abbreviations & Commands

Abbreviations and Definitions

OS - Operating System

CPU - Central Processing Unit

GPU - Graphics Processing unit

RAM - Random Access Memory

PSU - Power Supply Unit

HDD - Hard Disk Drive, a storage device with spinning platters that is very cheap

SSD - Solid State Drive, a storage device with no moving parts that is very fast

RAID - Redundant Array of Inexpensive Disks, allows you to combine multiple storage drives

PCI - Peripheral Component Interconnect

PCIe - PCI Express (also written as PCI-e), used for graphics cards

PC - Personal Computer

WINE - A tool for running some Windows applications on Linux/Mac/BSD

PoL - PlayOnLinux, a tool that makes WINE easy to use

Distro - Linux Distribution

DE - Linux Desktop Environment

Super - "The Windows Key" but in Linux-speak

TTY - Terminal / console / text-only session

BIOS - Basic Input Output System, motherboard firmware that describes how the hardware should function and which operating system to boot

(U)EFI - (Unified) Extensible Firmware Interface, a type of BIOS used on newer computers

GPT - GUID Partition Table, used on UEFI systems

b - Bit, a single 1 or 0 used by your computer

B - Byte, which is 8 bits

KB / KiB - Kilobyte, which is 1024 Bytes

MB / MiB - Megabyte, which is 1024 Kilobytes

GB / GiB - Gigabyte, which is 1024 Megabytes

TB / TiB - Terabyte, which is 1024 Gigabytes

DNS - Domain Name System

NavKeys - Navigation keys: Ins, Del, Home, End, Page Up, Page Down

KB/M - Keyboard and Mouse

MS - Microsoft

Hz - Hertz



Ctrl + C - Copy

Ctrl + V - Paste

Ctrl + X - Cut

Ctrl + Z - Undo

Ctrl + W - Close tab (in most web browsers)

Alt + Tab - Switch window

Alt + F4 - Closes program

Alt + Space - Window options

PrtScrn - Takes a screenshot of your entire screen and saves it to your clipboard (paste in eg. mspaint)

Alt + PrtScrn - Takes a screenshot of the active window and saves it to your clipboard (paste in eg. mspaint)

Home - Go to the start of a page

End - Go to the end of a page

PgUp - Go up a page

PgDown - Go down a page

Del - Deletes everything in front of the marker, not behind like Backspace does

Ins - In some programs, write over what you have already written if the marker is placed where there is already text

NumLock - Toggles the numpad between numbers and arrows/navkeys


WinKey + R - Run a command

WinKey + E - Start the explorer

WinKey + X - Open the Quick Link menu, which contains links to tools such as Device Manager and Event Viewer.

WinKey + ArrowKeys - Move a window around

Ctrl + Shift + Esc - Opens Task Manager

These are just the major ones, more here.


Alt + Drag - Moves windows, from any point, rather than just from the title bar

Ctrl + Shift + U - Allows you to enter a 4-digit Unicode character code to type special characters

Ctrl + Shift + V - Paste into a Terminal

Ctrl + Alt + T - Opens a Terminal

Ctrl + Alt + F1-F6 - Allows you to enter TTY 1 through 6

Ctrl + Alt + F7 - Returns you to a GUI session. Technically you can have more on F8-F12, but this is uncommon.

Ctrl + Esc - In XFCE, open the Whisker Menu

Super - In Ubuntu Unity, open the Dash