Command Line questions

What steps are needed to create a new user from the command line?
macos terminal command-line user-account
Homebrew and Git - Wrong language on the command line
command-line language
Removing XCode while keeping the command line tools (on El Capitan)
command-line xcode
Is there a Mac OS X equivalent of the Linux iwconfig command?
wifi command-line unix
How do I run a .sh or .command file in Terminal
macos terminal command-line bash
Where is my mbox located at?
macos terminal email command-line
Add ‘Good News' voice to "Say" commands
command-line voice
How to get `ts` program on the mac
command-line homebrew script
Change my shell to a different bash version at /usr/local/bin/bash?
terminal bash command-line
Updating modifier key mappings through defaults command tool
macos command-line automator bash
How can I have my shell always start in a certain directory that is not my home directory
macos terminal bash login command-line
What is the difference between `brew` and `brew cask`?
command-line homebrew
How to manage tunnels as background processes from a shell script?
command-line tunnel
Delete all backups of specific file/folder with tmutil
backup time-machine command-line deleting
How to tell if I'm using HFS+ or APFS?
macos command-line filesystem apfs hfs+
The `ntpdate` command was removed from Mojave. What to use now?
macos command-line ntp mojave
What is the preferred method of command line domain name lookup (DNS)?
network command-line bonjour dns
Unable to set DYLD_FALLBACK_LIBRARY_PATH in shell on OSX 10.11.1
macos command-line bash environment-variables dynamic-library
How do I find what packages I've installed via terminal?
macports command-line package-management
Is there a Mac OS X Terminal version of the "free" command in Linux systems?
terminal memory command-line