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.
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This isn't the most fancy way of doing things, but I mostly just use VI when editing these things. Of course, I use
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