Macos

macOS Fundamentals

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File & Directory Commands

Command	Description
defaults write com.apple.Finder AppleShowAllFiles true && killall Finder	Enable the setting to view hidden files in finder from CLI
ls	Lists directory contents.
ls -l	list directory contents and their attributes
ls -la	list directory contents to include hidden files & their attributes
cd <path>	Changes the directory.
clear	Clears the terminal.
touch <file>	Creates an empty file in your current working directory.
mkdir <directory>	Creates a new directory in your current working directory
mv /Users/htb-student/Documents/Test /Users/htb-student/Desktop/Test	Move a file from one directory to another
chmod -vv <octal value> <file>	Modify permissions of a file and show the results
sudo chown <userOwn>:<groupOwn> <file>	Change the user and group owner of a file

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Networking Commands

Command	Description
ifconfig	View basic networking configurations
ifcofnig <interface>	View specific networking configurations of an interface
ifconfig en0 inet <192.168.1.1> netmask < 255.255.255.0 >	Manually set an interfaces IP address and subnet mask
lsof -n -i4TCP -P	View TCP ports that are bound while displaying the application that has it bound
hostname	Check the hostname of the computer
networksetup -listallnetworkservices	Displays a list of all the network services (devices) on the computer’s hardware. This will print out the logical name of the device. (ex. Wi-Fi)
networksetup -listnetworkserviceorder	This will print out the network services running and the order in which they are queried for connection. A service at the beginning of the list is checked first.
networksetup -getinfo <devicename>	Get basic info about a networkservice (device), such as the IP address assigned, subnet mask, gateway, and Mac-Address.
networksetup -getcurrentlocation	Prints out the currently set network location.
networksetup -setmanual <networkservice> <ip> <netmask> <Gateway>	This will manually configure the IP address, network mask, and gateway for the device specified.
networkQuality -I <interface>	Check network speeds of a specific interface
security find-generic-password -wa <SSID>	Pull the password associated with a specific SSID from the security keychain
nc	Can be used to bind ports to connect with or listen from

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Application Management

Command	Description
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"	Install Homebrew
brew -v	Display the version/package information for Homebrew
brew install <package>	Install a package using Homebrew
brew search firefox	Have Homebrew search its repository for a package named "firefox"
brew install <package> --cask	Install a cask application
brew uninstall <package>	Remove a package from the host
brew upgrade	Upgrade Homebrew and all packages installed with it
brew cleanup	Cleanup old & unused files and applications with Homebrew

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Shell Management Commands

Command	Description
.bashrc	Configuration file for Bash
.zshrc	Configuration file for Zsh
chsh -s /bin/bash	Change our env shell to Bash
brew install zsh	Install zsh with Homebrew
chsh -s /bin/zsh	Change our env shell to Zsh
alias ll='ls -l'	Set an alias for ll in the .zshrc file
sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"	Install Oh My Zsh
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting	Install Zsh-syntax-highlighting
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k	Install the Powerlevel-10k theme to Zsh
brew install romkatv/powerlevel10k/powerlevel10k	Install the Powerlevel-10k theme to Zsh using Homebrew
echo "source $(brew --prefix)/opt/powerlevel10k/powerlevel10k.zsh-theme" >>~/.zshrc	Set the theme of our shell in the .zshrc file