TLDR
Enter a command. For example: btrfs inspect internal, fossil rm.

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}}

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