Is there a good tutorial out there on how to do user and group management in Linux?

For example in Ubuntu; I've been trying to find how to alter GECOS information about each user on command line, but there is no man page about it.

locked by Mark Henderson Jan 23 '12 at 10:47

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  • Asking for tutorials is generally not a good idea, as the tutorials get out of date quickly, and are of little use to future visitors. Instead, if you have a specific question about where you're stuck, feel free to ask another question outlining exactly where you're stuck. – Mark Henderson Jan 23 '12 at 10:47

This isn't the most fancy way of doing things, but I mostly just use VI when editing these things. Of course, I use useradd to create a user. But then I'll use vi to make changes.

For Ubuntu, I found a reference on how to manage users.

I don't know if Ubuntu has this command, but in Red Hat/Fedora and related distributions, there's a command system-config-users which is pretty self-explanatory.

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