📂 File & Directory Operations

pwd: Print working directory path

ls [-la|-lh]: List directory contents

cd <path>: Change directory (e.g. cd ~)

mkdir <dir>: Create a new folder

touch <file>: Create empty file or update date

cp [-r] <src> <dst>: Copy file or directory

mv <src> <dst>: Move or rename file/folder

rm [-rf] <file>: Delete file or directory

📝 Viewing & Editing Files

cat <filename>: View full text file output

less / head / tail: Inspect parts of file

nano <filename>: Open text editor

grep "pattern" <file>: Search text string

find . -name "*.txt": Search for files

which <cmd>: Locate command executable path

⚙️ System & Performance

top / htop: Interactive CPU/Memory process view

sw_vers: Print macOS version information

uname -a: Print Darwin kernel information

df -h / du -sh: Disk usage & space breakdown

ps aux: List active system processes

kill <PID> / killall: Terminate active processes

🍺 Homebrew & macOS Utilities

brew install <pkg>: Install software formulas

open <path|url>: Open target in macOS Finder/App

say "text": macOS text-to-speech engine

neofetch: Display Mac system hardware specs

cmatrix: Terminal Matrix green code animation

curl / ping / ifconfig: Network diagnostics