diff --git a/plugins/adduser/README.md b/plugins/adduser/README.md
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+++ b/plugins/adduser/README.md
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+# adduser
+
+This plugin adds support for installing "Oh My ZSH" when adding new users.
+
+To use it, add `adduser` to the plugins array of your `~/.zshrc` file:
+
+```zsh
+plugins=(... adduser)
+```
+
+## Usage
+
+Just run `adduser` as you normally would do and now:
+
+1. The regular `adduser` command will run.
+2. The shell of the new user will switch to zsh
+3. "Oh My zsh will be installed (as if he would have ran `install.sh` himself).
+
+## NOTES
+
+- It is assumed that the last argument will be the username.<br>*(In rare cases people provide the group as last argument)*
+- `useradd` behaviour is not changed.
+
+## Author
+
+[Nikolas Garofil](https://github.com/ngaro)
diff --git a/plugins/adduser/adduser.plugin.zsh b/plugins/adduser/adduser.plugin.zsh
new file mode 100644
index 000000000..aa89528f3
--- /dev/null
+++ b/plugins/adduser/adduser.plugin.zsh
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+# Copyright (c) 2021 Nikolas Garofil
+
+_adduser_result() {
+	local result_string="Installation of 'Oh My Zsh' for '$new_user'"
+
+	#Erase the temporary copy of the installscript when necessary
+	if [[ ! -z $temp_installscript  ]] ; then
+		rm $temp_installscript
+	fi
+
+	#mention the result
+	if [[ $1 -eq 0 ]]; then
+		echo "$result_string succeeded."
+	else
+		echo "$result_string failed." > /dev/stderr
+	fi
+
+}
+
+adduser() {
+	local path_installscript="$ZSH/tools/install.sh"
+	local unattended_options=" --unattended"
+
+	local new_user=${@[$#]}
+	local temp_installscript; local unattended_installer; local install_as_user; local change_shell;
+
+	#Create user, errors will be reported by the 'real' adduser
+	#Don't use $new_user so that we have all args
+	command adduser $@ || return 1
+
+	echo "\nUser '$new_user' has been created. I will now try to install 'Oh My Zsh'"
+
+	if [[ ! -f $path_installscript ]] ; then
+		echo "Installationscript '$path_installscript' not available" > /dev/stderr;
+		_adduser_result 1
+		return 1;
+	fi
+
+	#copy install.sh to a new file in temp that we can give the right owner to execute
+	#and also make sure that after the install script we are no longer the new user
+	temp_installscript=$(mktemp)
+	cp $path_installscript $temp_installscript
+	chown $new_user $temp_installscript && chmod +x $temp_installscript
+	unattended_installer="$temp_installscript $unattended_options"
+
+	if [[ ( ! -x "$commands[sudo]" ) && ( ! -x "$commands[su]" )  ]] ; then
+		echo "You can't become $new_user (no 'sudo' or 'su' available)" > /dev/stderr;
+		_adduser_result 1
+		return 1;
+	fi
+	if [[ -x "$commands[sudo]" ]] ; then
+		install_as_user="sudo -u $new_user sh -c '$unattended_installer'"
+		change_shell="sudo chsh -s $commands[zsh] $new_user"
+	else
+		install_as_user="su -l $new_user -c '$unattended_installer'"
+		change_shell="su -c 'chsh -s $commands[zsh] $new_user'"
+	fi
+
+	eval ${install_as_user}
+	#mention the result before changing the shell (even with a bad result it's still installed)
+	if [ ! $? -eq 0 ] ; then
+		_adduser_result 1
+		return 1
+	fi
+
+	if [[ ! -x "$commands[chsh]" ]] ; then
+		echo "'chsh' is not available, change the shell manually." > /dev/stderr
+	fi
+	eval ${change_shell}
+}