A script to add a user from cli on mac osx.

mac_adduser.sh

#!/bin/sh
#
#	Adds a user to a mac.
#
#	based on this article: http://osxdaily.com/2007/10/29/how-to-add-a-user-from-the-os-x-command-line-works-with-leopard/ 

#
#  Usage:  ./mac_adduser.sh <username> <uid> <gid>
#
username=$1
fullname=$2
uid=$2
gid=$3

# Create a new entry in the local (/) domain under the category /users.
dscl . -create /Users/$username

# Create and set the shell property to bash.
dscl . -create /Users/$username UserShell /bin/bash

# Create and set the user’s full name.
dscl . -create /Users/$username RealName $fullname

# Create and set the user’s ID.
dscl . -create /Users/$username UniqueID $uid

# Create group and set guid
dscl . -create /Groups/$username
dscl . -create /Groups/$username gid $gid

# Create and set the user’s group ID property.
dscl . -create /Users/$username PrimaryGroupID $gid

# Create and set the user home directory.
dscl . -create /Users/$username NFSHomeDirectory /Users/$username

# Set the password.
# dscl . -passwd /Users/$username PASSWORD

# or

passwd $username

# If you would like Dr. Harris to be able to perform administrative functions:
# dscl . -append /Groups/admin GroupMembership $username