When someone talks about SBC that is a single board computer then none of the computers will be able to beat Raspberry Pi. If you have near about $40, you will get a good powerful Linux computer that will include Wi-Fi connectivity, Bluetooth connectivity, and the most important 40 connected GPIO (General Purpose Input/Output). In this article, we are providing the Raspberry Pi commands cheat sheet. So, you can use the codes and explore more using Raspberry Pi.
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Raspberry Pi has good demand from each sector says computer experts, professional engineers, industrialists, etc. Raspberry Pi runs on Linux and has additional GPIO pins with two main libraries.
There are a huge number of people who are active users of Raspberry Pi. They may need some cheat codes for ease in their work.
Things to keep in mind while using Raspberry Pi
It is a difficult task to remember each cheat of the Raspberry Pi because of its wide scope. There are two modes on which users can work in Raspberry Pi. One is basic mode and the other comes up with administration access mode. You can’t perform some highly demanded task on a basic mode therefore it’ll need administrator access.
Hence to make such things easy, having a list of cheat codes is necessary. It’ll help you in doing the work in a much faster way. However, to make this happen it is very much necessary to have a cheat sheet. It will be always helpful for those who need the same.
Raspberry Pi Commands Cheat Sheet
Command | Result |
---|---|
Raspbian OS Terminal | |
cat [name] | Show the contents of the file [name] |
cd .. | Change to parent directory |
cd [path] | Move to the directory at [path] |
cd / | Change to root directory |
cd ~ | Change to your home directory – usually “/home/” |
chmod [who][+,-,=][permissions] [name] | Change the permissions for a file |
chmod 777 [name] | Allow all users to read, write and execute the file [name] |
chmod u+x [name] | Allow the user to execute [name] |
cp -r [from] [to] | Copy all files and subdirectories from source [from] to destination [to] |
cp [from] [to] | Copy a file from source [from] to destination [to] |
find | Search for files and their contents |
grep ‘string’ [name] | Search inside one or more files for occurrences of ‘string’ |
head [name] | Return all occurrences of ‘string’ within file [name] |
ls | List the contents of the current directory |
ls -a | List all files including hidden files |
ls -l | List the contents of the current directory with more file information |
ls [path] | List the contents of the directory found at [path] |
man [command] | Open the manual/help page for [command] |
man man | Open the manual/help page for the ‘man’ command (helpception) |
mkdir [name] | Create a directory called [name] in the current working directory |
mv -r [from] [to] | Move all files and directories from source [from] to destination [to] |
mv [from] [to] | Move a file from source [from] to destination [to] |
pwd | Show the name of the current working directory |
python/python3 –version | Shows you what version of Python you currently have installed |
rm -r * | Remove all files and directories from the current working directory |
rm [name] | Remove the specified file |
rm * | Remove all files from the current working directory |
rmdir [name] | Remove the empty directory [name] from the current working directory |
sudo [command] | Superuser do. Execute [command] with elevated privileges (Allows you to do things you usually wouldn’t have access to) |
sudo apt-get install [package] | Install a package |
sudo apt-get update | Update the list of packages |
sudo apt-get upgrade | Upgrade the installed packages – must be run after sudo apt-get update |
sudo chown pi:root [name] | Change the owner of the file [name] to user ‘pi’ and set the group to ‘root’ |
sudo raspi-config | Launch the Raspberry Pi configuration menu |
sudo reboot | Safely restart your Pi |
sudo shutdown -h now | Safely shutdown your Pi immediately |
sudo su | Places you in the root directory with root user access – be careful with this! |
tail [name] | Show the end of file [name] |
tar -cvzf [name] [path] | Create compressed file [name] from the contents of [path] |
tar -xvzf [name] | Extract the contents of the compressed file [name] |
wget [uri] | Download the file found at [uri] on the internet |
RPi.GPIO Library | |
import RPi.GPIO as GPIO | Import the RPi.GPIO module into the python sketch |
GPIO.setmode(GPIO.BCM) | Use Broadcom pin numbers (GPIO 14, GPIO 15 etc) |
GPIO.setmode(GPIO.BOARD) | Use board pin numbers (4,5,8 etc) |
GPIO.getmode() | Returns current pin numbering mode (BCM, BOARD, or None) |
GPIO.setup([pin number], GPIO.IN) | Set up the pin at [pin number] to be an input |
GPIO.setup([pin number], GPIO.IN, pull_up_down=GPIO.PUD_DOWN) | Set up the pin at [pin number] to be an input with internal pull down resistance |
GPIO.setup([pin number], GPIO.IN, pull_up_down=GPIO.PUD_UP) | Set up the pin at [pin number] to be an input with internal pull up resistance |
GPIO.setup([pin number], GPIO.OUT) | Set up the pin at [pin number] to be an output |
GPIO.setup([pin number], GPIO.OUT, initial=1) | Set up the pin at [pin number] to be an output with the initial value ‘1’ |
GPIO.output([pin number], 1) | Set [pin number]’s value to 1. Note that 1, GPIO.HIGH and True are the same thing |
GPIO.output([pin number], 0) | Set [pin number]’s value to 0. Note that 0, GPIO.LOW and False are the same thing |
i = GPIO.input([pin number]) | Set the variable i to the value of [pin number] |
if GPIO.input([pin number]): | Use the value of [pin number] as a boolean in code |
GPIO.cleanup() | Reset all GPIO pins (good practice to call before leaving any program) |
GPIO.VERSION | Returns current RPi.GPIO version |
GPIO Zero Library | |
LEDs | |
from gpiozero import LED | Import the LED section of the gpiozero library |
led = LED(17) | Assign the ‘led’ variable to an LED on pin GPIO 17 |
led.on() | Turn on the LED stored in the ‘led’ variable |
led.off() | Turn off the LED stored in the ‘led’ variable |
led.toggle() | Toggle the LED stored in the ‘led’ variable (if it’s off, turn it on and vice versa) |
Motors | |
from gpiozero import Motor | Import the Motor section of the gpiozero library |
motor = Motor(17, 18) | Assign the variable ‘motor’ to a Motor object containing the forward and backward drive pin numbers |
motor.forward() | Activate the forward pin of the variable ‘motor’ |
motor.backward() | Activate the backward pin of the variable ‘motor’ |
motor.reverse() | Reverse the current motor direction |
motor.stop() | Stop the motor |
Buzzer | |
from gpiozero import Buzzer | Import the Buzzer section of the gpiozero library |
bz = Buzzer(3) | Assign the variable bz to a Buzzer on pin GPIO3 |
bz.on() | Turn the buzzer on |
bz.off() | Turn the buzzer off |
bz.toggle() | Toggle the buzzer’s state (if it’s off, turn it on and vice versa) |
Servo | |
from gpiozero import Servo | Import the Servo section of the gpiozero library |
servo = Servo(17) | Assign the ‘servo’ variable to a Servo on GPIO 17 |
servo.min() | Move the servo to its minimum value |
servo.mid() | Move the servo to its middle value |
servo.max() | Move the servo to its maximum value |
servo.value = 0.5 | Move the servo to a set numerical point (min = -1, max = 1) |
Raspi Camera Image | |
raspistill | Command to take a still image with attached camera, modify with arguments below |
–width, -w | Set image width |
–height, -h | Set image height |
–quality, -q | Set JPEG quality <0 to 100> (75 is most common) |
–raw, -r | Inserts raw Bayer data from the camera into the JPEG metadata |
–output, -o | Output filename (required for saving) |
–latest, -l | Add latest frame to filename |
–verbose, -v | Verbose debugging information during run |
–timeout, -t | Set a time to wait before capturing an image. |
–encoding, -e | Encoding to use for output file – jpg, gif, bmp, or png |
Raspi Camera Video | |
raspivid | Command to take a video using attached camera, modify with arguments below |
–width, -w | Set image width (between 64px – 1920px) |
–height, -h | Set image height (between 64px – 1080px) |
–bitrate, -b | Set bitrate in bits per second (i.e 15 Mbits/s = 15000000) |
–output, -o | Output filename (required for saving) |
–verbose, -v | Verbose debugging information during run |
–timeout, -t | Set a time to wait before capturing video |
–framerate, -fps | Specify the frames per second for recording |
Final words
So, this is the Raspberry Pi commands cheat sheet with their results. However one can download this sheet for their use. These commands will undoubtedly lead you to navigate Pi’s terminal. You can even program its GPIO pins. As we know that Raspberry Pi is a Linux Computer-based system therefore you can even use these cheats for basic Linux systems.
It will be helpful for you to enhance your knowledge from the same field. We hope these cheat sheets will be helpful for you in each aspect.
People use Raspberry Pi to learn programs and explore computing.
No, Raspberry Pi is legal for use.
If you are a beginner and want to learn about Linux, it is worth it.