dscl . -create /Users/"$user_name" NFSHomeDirectory "$home_dir" || Abort
dscl . -create /Users/"$user_name" UserShell "$shell" || Abort
dscl . -create /Users/"$user_name" RealName "$real_name" || Abort
dscl . -create /Users/"$user_name" NFSHomeDirectory "$home_dir" || Abort
dscl . -create /Users/"$user_name" UserShell "$shell" || Abort
dscl . -create /Users/"$user_name" RealName "$real_name" || Abort