Command cheat sheet

Every command in the simulator, with examples. Search by name or description.

Unix ↔ Windows (cmd) equivalents

Unix	Windows (cmd)	What it does
`ls`	`dir`	list files and folders
`mkdir`	`md`	create a folder
`cat`	`type`	print a file's contents
`cp`	`copy`	copy
`mv`	`move`	move / rename
`rm`	`del`	delete
`grep`	`findstr`	find lines matching a pattern
`find`	`dir /s /b`	find files
`head`	`more`	first lines of a file
`tail`	`more`	last lines of a file
`env`	`set`	print environment variables
`export`	`set`	set an environment variable
`less`	`more`	page through a file
`more`	`more`	page through a file
`clear`	`cls`	clear the screen
`man`	`help`	full manual for a command

pwdprint the current folder

pwd

lslist files and folders

ls -a

-a — show hidden files
-l — one per line

cdchange folder

cd projects

mkdircreate a folder

mkdir -p projects/web

-p — create nested folders

touchcreate an empty file

touch notes.txt

catprint a file's contents

cat notes.txt

-n — number the lines

echoprint text

echo hello > file.txt

cpcopy

cp a.txt b.txt

-r — copy a folder recursively

mvmove / rename

mv old.txt new.txt

rmdelete

rm notes.txt   (a folder: rm -r myfolder)

-r — recursively (for folders)
-f — don't complain if it isn't there

grepfind lines matching a pattern

grep error log.txt

-i — ignore case
-v — lines that don't match
-n — with line numbers

findfind files

find . -name "*.txt"

headfirst lines of a file

head -n 5 log.txt

-n — how many lines

taillast lines of a file

tail -n 5 log.txt

-n — how many lines

treefolder and file tree

tree

wccount lines / words / characters

wc -l notes.txt

-l — lines
-w — words
-c — characters

sortsort lines

sort names.txt

-r — reverse order

uniqdrop repeated neighboring lines

sort names.txt | uniq

dusize of files and folders

du .

dffree disk space (simulated)

df -h

datecurrent date and time

date

basenamefile name from a path

basename /home/user/file.txt

dirnamefolder from a path

dirname /home/user/file.txt

chmodfile permissions (simulated)

chmod +x script.sh

whoamiprint your username

whoami

envprint environment variables

env

exportset an environment variable

export NAME=value  ·  echo $NAME

aliascreate a command shortcut

alias gs='git status'

unaliasremove a shortcut

unalias gs

lesspage through a file

less log.txt

morepage through a file

more log.txt

clearclear the screen

clear

helplist of commands

help ls

manfull manual for a command

man ls

historycommands you have typed

history

gitversion control (simulated)

git init · git add . · git commit -m "…"

noderun Node.js (simulated)

node -v · node app.js

npmpackage manager (simulated)

npm install · npm run build

clauderun Claude Code (simulated)

claude

curlHTTP request (Claude API simulation)

curl https://api.anthropic.com/v1/messages -H "x-api-key: $KEY" -d '{…}'