salt.modules.user

user is a virtual module that is fulfilled by one of the following modules:

Execution Module	Used for
`useradd`	Linux, NetBSD, and OpenBSD systems using `useradd(8)`, `userdel(8)`, and `usermod(8)`
`pw_user`	FreeBSD-based OSes using `pw(8)`
`solaris_user`	Solaris-based OSes using `useradd(1M)`, `userdel(1M)`, and `usermod(1M)`
`mac_user`	MacOS
`win_useradd`	Windows

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