useradd

Create a new user. See also: users, userdel, usermod. More information: https://manned.org/useradd.

• Create a new user:
  sudo useradd {{username}}
• Create a new user with the specified user id:
  sudo useradd --uid {{id}} {{username}}
• Create a new user with the specified shell:
  sudo useradd --shell {{path/to/shell}} {{username}}
• Create a new user belonging to additional groups (mind the lack of whitespace):
  sudo useradd --groups {{group1,group2,...}} {{username}}
• Create a new user with the default home directory:
  sudo useradd --create-home {{username}}
• Create a new user with the home directory filled by template directory files:
  sudo useradd --skel {{path/to/template_directory}} --create-home {{username}}
• Create a new system user without the home directory:
  sudo useradd --system {{username}}