tdtdt/pages/cheatsheet.md

title : Cheatsheet all author: zvevqx published: 2025-11-22 cat: linux desc: ws

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👾 MOST OF THIS PAGE IS DIRECT OUTPUT OF CHATGPT 3.5

Cheatsheet

Bash Commands

Command	Description
cd [dir]	change directory
ls	list directory contents
pwd	print working directory
mkdir [dir]	create a new directory
rm [file]	remove a file
rm -r [dir]	remove a directory and its contents
cp [source] [destination]	copy a file or directory
mv [source] [destination]	move or rename a file or directory
cat [file]	display the contents of a file
grep [pattern] [file]	search for a pattern in a file

Git Commands

Command	Description
git init	initialize a new Git repository
git add [file]	add a file to the staging area
git commit -m "[message]"	commit changes with a message
git status	show the status of the repository
git log	show the commit history
git push	push changes to a remote repository
git pull	pull changes from a remote repository

SSH Commands

Command	Description
ssh [user]@[host]	connect to a remote host via SSH
scp [file] [user]@[host]:[destination]	copy a file to a remote host
ssh-keygen	generate an SSH key pair
ssh-copy-id [user]@[host]	copy your SSH public key to a remote host

Python Commands and Tools

Command	Description
python	start the Python interpreter
pip install [package]	install a Python package
venv	create and manage Python virtual environments

Python Virtual Environments

Command	Description
python3 -m venv [venv-name]	create a new virtual environment
source [venv-name]/bin/activate	activate the virtual environment
deactivate	deactivate the virtual environment

FFmpeg Commands

Command	Description
ffmpeg -i [input] [output]	convert a video or audio file
ffmpeg -i [input] -ss [time] -t [duration] [output]	trim a video or audio file
ffmpeg -i [input] -vn -acodec [codec] [output]	extract audio from a video file
ffmpeg -f concat -safe 0 -i [list.txt] -c copy [output]	concatenate multiple video or audio files

ImageMagick Commands

Command	Description
convert [input] [output]	convert an image format
mogrify -resize [size] [input]	resize an image
montage [input1] [input2] -geometry [geometry] [output]	create a montage of images

Arduino Commands

Command	Description
arduino-cli board list	list available boards
arduino-cli compile --fqbn [board] [sketch]	compile a sketch
`arduino-cli upload -p [port] --fqbn [board