_                    _
  ___ | |__   __ _ _______ | |_
 / _ \| '_ \ / _` |_  / _ \| __|
| (_) | | | | (_| |/ / (_) | |_
 \___/|_| |_|\__,_/___\___/ \__|

user_management — usage and differences across systems

useradd : adds the given user.
adduser : interactive form of useradd.

If no options are given, the user will be created without the corresponding structure: groups, home, skel, etc.

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Slackware : usermod -a -G group user : appends the group to the user groups.
OpenBSD : usermod -G group user : appends user to group.
AlpineLinux : adduser user group : adds user to group.

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linux , slackware , alpinelinux , openbsd , linux_to_openbsd

- OpenBSD manpages: useradd(8) , adduser(8) , usermod(8)

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OpenBSD 7.7 linux| Created:2025-10-18|Updated:2025-10-18|